diff --git a/.env b/.env
index 8ccf894..11d946d 100644
--- a/.env
+++ b/.env
@@ -29,5 +29,5 @@ APP_SECRET=5ea76603566babff85ae4fa3e7d44071
 # For an SQLite database, use: "sqlite:///%kernel.project_dir%/var/data.db"
 # For a PostgreSQL database, use: "postgresql://db_user:db_password@127.0.0.1:5432/db_name?serverVersion=11&charset=utf8"
 # IMPORTANT: You MUST configure your server version, either here or in config/packages/doctrine.yaml
-DATABASE_URL=mysql://db_user:db_password@127.0.0.1:3306/db_name?serverVersion=5.7
+DATABASE_URL=sqlite:///%kernel.project_dir%/var/data.db
 ###< doctrine/doctrine-bundle ###
diff --git a/.env.test b/.env.test
index d048686..58ce8ef 100644
--- a/.env.test
+++ b/.env.test
@@ -3,3 +3,4 @@ KERNEL_CLASS='App\Kernel'
 APP_SECRET='$ecretf0rt3st'
 SYMFONY_DEPRECATIONS_HELPER=999999
 PANTHER_APP_ENV=panther
+DATABASE_URL=sqlite:///%kernel.project_dir%/var/test.db
diff --git a/composer.json b/composer.json
index 5e07b41..ca8800f 100644
--- a/composer.json
+++ b/composer.json
@@ -42,6 +42,7 @@
         "twig/twig": "^2.12|^3.0"
     },
     "require-dev": {
+        "dama/doctrine-test-bundle": "^6.3",
         "symfony/browser-kit": "^5.1",
         "symfony/css-selector": "^5.1",
         "symfony/debug-bundle": "^5.1",
diff --git a/composer.lock b/composer.lock
index fe21e51..ff2c8ab 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "42c5e66445821e40a4194fe5a0a8a7b7",
+    "content-hash": "a571222fe89b2d15a25ad09857c44cc6",
     "packages": [
         {
             "name": "composer/package-versions-deprecated",
@@ -7256,6 +7256,63 @@
         }
     ],
     "packages-dev": [
+        {
+            "name": "dama/doctrine-test-bundle",
+            "version": "v6.3.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/dmaicher/doctrine-test-bundle.git",
+                "reference": "a364cfee35acb7d37698c4749f7dd34d04646535"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/dmaicher/doctrine-test-bundle/zipball/a364cfee35acb7d37698c4749f7dd34d04646535",
+                "reference": "a364cfee35acb7d37698c4749f7dd34d04646535",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/dbal": "^2.9,>=2.9.3",
+                "doctrine/doctrine-bundle": "^1.11 || ^2.0",
+                "php": "^7.1",
+                "symfony/framework-bundle": "^3.4 || ^4.3 || ^5.0"
+            },
+            "require-dev": {
+                "phpstan/phpstan": "^0.12",
+                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
+                "symfony/phpunit-bridge": "^4.3 || ^5.0",
+                "symfony/yaml": "^3.4 || ^4.3 || ^5.0"
+            },
+            "type": "symfony-bundle",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "7.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "DAMA\\DoctrineTestBundle\\": "src/DAMA/DoctrineTestBundle"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "David Maicher",
+                    "email": "mail@dmaicher.de"
+                }
+            ],
+            "description": "Symfony bundle to isolate doctrine database tests and improve test performance",
+            "keywords": [
+                "doctrine",
+                "isolation",
+                "performance",
+                "symfony",
+                "tests"
+            ],
+            "time": "2020-09-04T05:50:21+00:00"
+        },
         {
             "name": "nikic/php-parser",
             "version": "v4.10.2",
diff --git a/config/bundles.php b/config/bundles.php
index 70fae29..e222496 100644
--- a/config/bundles.php
+++ b/config/bundles.php
@@ -12,4 +12,5 @@ return [
     Symfony\Bundle\MonologBundle\MonologBundle::class => ['all' => true],
     Symfony\Bundle\DebugBundle\DebugBundle::class => ['dev' => true, 'test' => true],
     Symfony\Bundle\MakerBundle\MakerBundle::class => ['dev' => true],
+    DAMA\DoctrineTestBundle\DAMADoctrineTestBundle::class => ['test' => true],
 ];
diff --git a/config/packages/test/dama_doctrine_test_bundle.yaml b/config/packages/test/dama_doctrine_test_bundle.yaml
new file mode 100644
index 0000000..80b0091
--- /dev/null
+++ b/config/packages/test/dama_doctrine_test_bundle.yaml
@@ -0,0 +1,4 @@
+dama_doctrine_test:
+    enable_static_connection: true
+    enable_static_meta_data_cache: true
+    enable_static_query_cache: true
diff --git a/migrations/Version20201020204121.php b/migrations/Version20201020204121.php
new file mode 100644
index 0000000..0965b6c
--- /dev/null
+++ b/migrations/Version20201020204121.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20201020204121 extends AbstractMigration
+{
+    public function getDescription() : string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema) : void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('CREATE TABLE entry (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, title VARCHAR(255) NOT NULL, start DATETIME NOT NULL, "end" DATETIME NOT NULL)');
+    }
+
+    public function down(Schema $schema) : void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('DROP TABLE entry');
+    }
+}
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 29f86af..378ddb6 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -33,4 +33,8 @@
     <listeners>
         <listener class="Symfony\Bridge\PhpUnit\SymfonyTestsListener" />
     </listeners>
+
+    <extensions>
+        <extension class="DAMA\DoctrineTestBundle\PHPUnit\PHPUnitExtension"/>
+    </extensions>
 </phpunit>
diff --git a/src/Controller/TimeController.php b/src/Controller/TimeController.php
index 895ae0a..be05e0b 100644
--- a/src/Controller/TimeController.php
+++ b/src/Controller/TimeController.php
@@ -21,6 +21,7 @@ namespace App\Controller;
  * 02110-1301, USA.
  */
 
+use App\Persistence\Entries;
 use App\Service\ActiveEntry;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
@@ -33,15 +34,24 @@ class TimeController extends AbstractController
      */
     private $activeEntry;
 
-    public function __construct(ActiveEntry $activeEntry)
-    {
+    /**
+     * @var Entries
+     */
+    private $entries;
+
+    public function __construct(
+        ActiveEntry $activeEntry,
+        Entries $entries
+    ) {
         $this->activeEntry = $activeEntry;
+        $this->entries = $entries;
     }
 
     public function index(): Response
     {
         return $this->render('time/index.html.twig', [
             'entry' => $this->activeEntry->get(),
+            'entries' => $this->entries->get(10),
         ]);
     }
 
diff --git a/src/Entity/Entry.php b/src/Entity/Entry.php
index 5a31ef9..903152c 100644
--- a/src/Entity/Entry.php
+++ b/src/Entity/Entry.php
@@ -21,22 +21,37 @@ namespace App\Entity;
  * 02110-1301, USA.
  */
 
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @ORM\Entity()
+ */
 class Entry
 {
+    /**
+     * @ORM\Id()
+     * @ORM\GeneratedValue()
+     * @ORM\Column(type="integer")
+     */
+    private $id;
+
     /**
      * @var string
+     * @ORM\Column(type="string", length=255)
      */
     private $title = '';
 
     /**
      * @var \DateTimeImmutable|null
+     * @ORM\Column(type="datetime")
      */
     private $start;
 
     /**
      * @var \DateTimeImmutable|null
+     * @ORM\Column(type="datetime")
      */
-    private $stop;
+    private $end;
 
     /**
      * @var bool
@@ -49,6 +64,20 @@ class Entry
         $this->title = $title;
     }
 
+    public static function fromPersistence(
+        string $title,
+        \DateTimeImmutable $start,
+        \DateTimeImmutable $end
+    ): self {
+        $entry = new static();
+
+        $entry->title = $title;
+        $entry->start = $start;
+        $entry->end = $end;
+
+        return $entry;
+    }
+
     public function start(): void
     {
         $this->start = new \DateTimeImmutable();
@@ -57,7 +86,7 @@ class Entry
 
     public function stop(): void
     {
-        $this->stop = new \DateTimeImmutable();
+        $this->end = new \DateTimeImmutable();
         $this->running = false;
     }
 
@@ -70,4 +99,19 @@ class Entry
     {
         return $this->title;
     }
+
+    public function getBegan(): ?\DateTimeImmutable
+    {
+        return $this->start;
+    }
+
+    public function getEnded(): ?\DateTimeImmutable
+    {
+        return $this->end;
+    }
+
+    public function getDuration(): \DateInterval
+    {
+        return $this->start->diff($this->end);
+    }
 }
diff --git a/src/Persistence/Entries.php b/src/Persistence/Entries.php
new file mode 100644
index 0000000..8c6989b
--- /dev/null
+++ b/src/Persistence/Entries.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Persistence;
+
+/*
+ * Copyright (C) 2020 Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use App\Entity\Entry;
+
+interface Entries
+{
+    /**
+     * Adds the given entry to the persistence.
+     * Those entries don't have identifiers and are always new.
+     */
+    public function add(Entry $entry): void;
+
+    /**
+     * Get amount of recent entries from persistence.
+     *
+     * @return array<Entry>
+     */
+    public function get(int $limit): array;
+}
diff --git a/src/Persistence/LocalDatabase.php b/src/Persistence/LocalDatabase.php
new file mode 100644
index 0000000..cd61139
--- /dev/null
+++ b/src/Persistence/LocalDatabase.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Persistence;
+
+/*
+ * Copyright (C) 2020 Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use App\Entity\Entry;
+use Doctrine\DBAL\Connection;
+
+class LocalDatabase implements Entries
+{
+    /**
+     * @var Connection
+     */
+    private $connection;
+
+    public function __construct(
+        Connection $connection
+    ) {
+        $this->connection = $connection;
+    }
+
+    public function add(Entry $entry): void
+    {
+        $this->connection->insert('entry', [
+            'title' => $entry->getTitle(),
+            'start' => $entry->getBegan()->format('U'),
+            'end' => $entry->getEnded()->format('U'),
+        ]);
+    }
+
+    public function get(int $limit): array
+    {
+        $queryBuilder = $this->connection->createQueryBuilder();
+
+        $queryBuilder->select('*');
+        $queryBuilder->from('entry');
+        $queryBuilder->setMaxResults($limit);
+        $queryBuilder->orderBy('id', 'desc');
+
+        $entries = [];
+
+        $result = $queryBuilder->execute();
+        while ($entry = $result->fetch()) {
+            $entries[] = Entry::fromPersistence(
+                $entry['title'],
+                new \DateTimeImmutable('@' . $entry['start']),
+                new \DateTimeImmutable('@' . $entry['end'])
+            );
+        }
+
+        return $entries;
+    }
+}
diff --git a/src/Service/ActiveEntry.php b/src/Service/ActiveEntry.php
index 22bf33e..4b48a89 100644
--- a/src/Service/ActiveEntry.php
+++ b/src/Service/ActiveEntry.php
@@ -22,6 +22,7 @@ namespace App\Service;
  */
 
 use App\Entity\Entry;
+use App\Persistence\Entries;
 use Symfony\Component\HttpFoundation\Session\SessionInterface;
 
 class ActiveEntry
@@ -31,9 +32,17 @@ class ActiveEntry
      */
     private $session;
 
-    public function __construct(SessionInterface $session)
-    {
+    /**
+     * @var Entries
+     */
+    private $persistence;
+
+    public function __construct(
+        SessionInterface $session,
+        Entries $persistence
+    ) {
         $this->session = $session;
+        $this->persistence = $persistence;
     }
 
     public function startNew(
@@ -51,7 +60,12 @@ class ActiveEntry
 
     public function stopRunning(): void
     {
-        $this->get()->stop();
+        $entry = $this->get();
+
+        $entry->stop();
+
+        $this->persistence->add($entry);
+
         $this->session->remove('runningEntry');
     }
 
diff --git a/symfony.lock b/symfony.lock
index 995a50f..9b5322d 100644
--- a/symfony.lock
+++ b/symfony.lock
@@ -2,6 +2,18 @@
     "composer/package-versions-deprecated": {
         "version": "1.11.99"
     },
+    "dama/doctrine-test-bundle": {
+        "version": "4.0",
+        "recipe": {
+            "repo": "github.com/symfony/recipes-contrib",
+            "branch": "master",
+            "version": "4.0",
+            "ref": "56eaa387b5e48ebcc7c95a893b47dfa1ad51449c"
+        },
+        "files": [
+            "config/packages/test/dama_doctrine_test_bundle.yaml"
+        ]
+    },
     "doctrine/annotations": {
         "version": "1.0",
         "recipe": {
diff --git a/templates/time/entries.html.twig b/templates/time/entries.html.twig
new file mode 100644
index 0000000..7088208
--- /dev/null
+++ b/templates/time/entries.html.twig
@@ -0,0 +1,12 @@
+<section>
+    {% for entry in entries %}
+        <article>
+            <header>{{ entry.title }}</header>
+            <time>{{ entry.began|date('d.m.Y') }}</time>
+            <time>{{ entry.ended|date('H:i:s') }}</time>
+            -
+            <time>{{ entry.ended|date('H:i:s') }}</time>
+            <!-- // TODO: Add duration, e.g. by using a view model -->
+        </article>
+    {% endfor %}
+</section>
diff --git a/templates/time/index.html.twig b/templates/time/index.html.twig
index 88fa861..b58c0e4 100644
--- a/templates/time/index.html.twig
+++ b/templates/time/index.html.twig
@@ -4,4 +4,5 @@
     <h1>Time entries</h1>
 
     {{ include('time/timer.html.twig') }}
+    {{ include('time/entries.html.twig') }}
 {% endblock %}
diff --git a/tests/Functional/Controller/TimeControllerTest.php b/tests/Functional/Controller/TimeControllerTest.php
index f5d4af4..7945de9 100644
--- a/tests/Functional/Controller/TimeControllerTest.php
+++ b/tests/Functional/Controller/TimeControllerTest.php
@@ -25,6 +25,7 @@ use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 
 /**
  * @covers App\Controller\TimeController
+ * @covers App\Persistence\LocalDatabase
  * @uses App\Entity\Entry
  * @uses App\Service\ActiveEntry
  */
@@ -33,7 +34,7 @@ class TimeControllerTest extends WebTestCase
     /**
      * @test
      */
-    public function rootCanBeOpened()
+    public function rootCanBeOpened(): void
     {
         $client = static::createClient();
         $crawler = $client->request('GET', '/');
@@ -45,7 +46,7 @@ class TimeControllerTest extends WebTestCase
     /**
      * @test
      */
-    public function newEntryCanBeStarted()
+    public function newEntryCanBeStarted(): void
     {
         $client = static::createClient();
 
@@ -62,7 +63,7 @@ class TimeControllerTest extends WebTestCase
     /**
      * @test
      */
-    public function runningEntryCanBeStopped()
+    public function runningEntryCanBeStopped(): void
     {
         $client = static::createClient();
 
@@ -83,7 +84,7 @@ class TimeControllerTest extends WebTestCase
     /**
      * @test
      */
-    public function noneRunningEntryCanBeStopped()
+    public function noneRunningEntryCanBeStopped(): void
     {
         $client = static::createClient();
 
@@ -95,4 +96,26 @@ class TimeControllerTest extends WebTestCase
         $this->assertInputValueSame('title', '');
         $this->assertSelectorTextSame('button', 'Start');
     }
+
+    /**
+     * @test
+     */
+    public function previousEntriesAreShownOnIndex(): void
+    {
+        $client = static::createClient();
+
+        $client->request('GET', '/');
+        $client->submitForm('Start', ['title' => 'Test Entry 1']);
+        $client->request('GET', '/');
+        $client->submitForm('Stop');
+
+        $client->request('GET', '/');
+        $client->submitForm('Start', ['title' => 'Test Entry 2']);
+        $client->request('GET', '/');
+        $client->submitForm('Stop');
+
+        $crawler = $client->request('GET', '/');
+        $this->assertSelectorTextContains('article:nth-of-type(1)', 'Test Entry 2');
+        $this->assertSelectorTextContains('article:nth-of-type(2)', 'Test Entry 1');
+    }
 }
diff --git a/tests/Unit/Entity/EntryTest.php b/tests/Unit/Entity/EntryTest.php
index cca49ff..8045c18 100644
--- a/tests/Unit/Entity/EntryTest.php
+++ b/tests/Unit/Entity/EntryTest.php
@@ -32,7 +32,7 @@ class EntryTest extends TestCase
     /**
      * @test
      */
-    public function canBeCreated()
+    public function canBeCreatedViaConstructor(): void
     {
         $subject = new Entry();
 
@@ -42,7 +42,25 @@ class EntryTest extends TestCase
     /**
      * @test
      */
-    public function canBeCreatedWithTitle()
+    public function canBeCreatedFromPersistence(): void
+    {
+        $subject = Entry::fromPersistence(
+            'Example Title',
+            new \DateTimeImmutable('2020-10-29 17:10:05'),
+            new \DateTimeImmutable('2020-10-29 18:12:15')
+        );
+
+        static::assertInstanceOf(Entry::class, $subject);
+        static::assertSame('Example Title', $subject->getTitle());
+        static::assertSame('2020-10-29 17:10:05', $subject->getBegan()->format('Y-m-d H:i:s'));
+        static::assertSame('2020-10-29 18:12:15', $subject->getEnded()->format('Y-m-d H:i:s'));
+        static::assertSame('01:02:10', $subject->getDuration()->format('%r%H:%I:%S'));
+    }
+
+    /**
+     * @test
+     */
+    public function canBeCreatedWithTitle(): void
     {
         $subject = new Entry('Example title');
 
@@ -52,7 +70,7 @@ class EntryTest extends TestCase
     /**
      * @test
      */
-    public function returnsProvidedTitle()
+    public function returnsProvidedTitle(): void
     {
         $subject = new Entry('Example title');
 
@@ -62,7 +80,7 @@ class EntryTest extends TestCase
     /**
      * @test
      */
-    public function canBeStarted()
+    public function canBeStarted(): void
     {
         $subject = new Entry();
 
@@ -74,7 +92,7 @@ class EntryTest extends TestCase
     /**
      * @test
      */
-    public function canBeStopped()
+    public function canBeStopped(): void
     {
         $subject = new Entry();
 
@@ -87,7 +105,7 @@ class EntryTest extends TestCase
     /**
      * @test
      */
-    public function canBeStoppedEvenIfNotRunning()
+    public function canBeStoppedEvenIfNotRunning(): void
     {
         $subject = new Entry();
 
@@ -95,4 +113,59 @@ class EntryTest extends TestCase
 
         static::assertFalse($subject->isRunning());
     }
+
+    /**
+     * @test
+     */
+    public function returnsNullForBeganBeforeStarted(): void
+    {
+        $subject = new Entry();
+
+        static::assertNull($subject->getBegan());
+    }
+
+    /**
+     * @test
+     */
+    public function returnsBeganAfterStarted(): void
+    {
+        $subject = new Entry();
+        $subject->start();
+
+        static::assertInstanceOf(\DateTimeImmutable::class, $subject->getBegan());
+    }
+
+    /**
+     * @test
+     */
+    public function returnsNullForEndedBeforeStarted(): void
+    {
+        $subject = new Entry();
+
+        static::assertNull($subject->getEnded());
+    }
+
+    /**
+     * @test
+     */
+    public function returnsEndedAfterStoped(): void
+    {
+        $subject = new Entry();
+        $subject->start();
+        $subject->stop();
+
+        static::assertInstanceOf(\DateTimeImmutable::class, $subject->getEnded());
+    }
+
+    /**
+     * @test
+     */
+    public function returnsDurationAfterStopped(): void
+    {
+        $subject = new Entry();
+        $subject->start();
+        $subject->stop();
+
+        static::assertInstanceOf(\DateInterval::class, $subject->getDuration());
+    }
 }
diff --git a/tests/Unit/Service/ActiveEntryTest.php b/tests/Unit/Service/ActiveEntryTest.php
index e024407..6bdebb9 100644
--- a/tests/Unit/Service/ActiveEntryTest.php
+++ b/tests/Unit/Service/ActiveEntryTest.php
@@ -22,12 +22,14 @@ namespace App\Tests\Service;
  */
 
 use App\Entity\Entry;
+use App\Persistence\Entries;
 use App\Service\ActiveEntry;
 use PHPUnit\Framework\TestCase;
 use Prophecy\Argument;
 use Symfony\Component\HttpFoundation\Session\SessionInterface;
 
 
+
 /**
  * @covers App\Service\ActiveEntry
  */
@@ -36,11 +38,13 @@ class ActiveEntryTest extends TestCase
     /**
      * @test
      */
-    public function canBeCreated()
+    public function canBeCreated(): void
     {
         $session = $this->prophesize(SessionInterface::class);
+        $persistence = $this->prophesize(Entries::class);
         $subject = new ActiveEntry(
-            $session->reveal()
+            $session->reveal(),
+            $persistence->reveal()
         );
 
         static::assertInstanceOf(ActiveEntry::class, $subject);
@@ -49,11 +53,13 @@ class ActiveEntryTest extends TestCase
     /**
      * @test
      */
-    public function returnsEmptyEntryAsDefault()
+    public function returnsEmptyEntryAsDefault(): void
     {
         $session = $this->prophesize(SessionInterface::class);
+        $persistence = $this->prophesize(Entries::class);
         $subject = new ActiveEntry(
-            $session->reveal()
+            $session->reveal(),
+            $persistence->reveal()
         );
 
         $entry = $subject->get();
@@ -66,11 +72,13 @@ class ActiveEntryTest extends TestCase
     /**
      * @test
      */
-    public function canStartANewEntry()
+    public function canStartANewEntry(): void
     {
         $session = $this->prophesize(SessionInterface::class);
+        $persistence = $this->prophesize(Entries::class);
         $subject = new ActiveEntry(
-            $session->reveal()
+            $session->reveal(),
+            $persistence->reveal()
         );
 
         $subject->startNew('Example title');
@@ -85,12 +93,14 @@ class ActiveEntryTest extends TestCase
     /**
      * @test
      */
-    public function returnsStartedEntry()
+    public function returnsStartedEntry(): void
     {
         $session = $this->prophesize(SessionInterface::class);
+        $persistence = $this->prophesize(Entries::class);
         $entry = $this->prophesize(Entry::class);
         $subject = new ActiveEntry(
-            $session->reveal()
+            $session->reveal(),
+            $persistence->reveal()
         );
 
         $session->set('runningEntry', Argument::type(Entry::class))->shouldBeCalled();
@@ -104,12 +114,14 @@ class ActiveEntryTest extends TestCase
     /**
      * @test
      */
-    public function stopsRunningEntry()
+    public function stopsRunningEntry(): void
     {
         $session = $this->prophesize(SessionInterface::class);
+        $persistence = $this->prophesize(Entries::class);
         $entry = $this->prophesize(Entry::class);
         $subject = new ActiveEntry(
-            $session->reveal()
+            $session->reveal(),
+            $persistence->reveal()
         );
 
         $session->set('runningEntry', Argument::type(Entry::class))->shouldBeCalled();
@@ -119,5 +131,6 @@ class ActiveEntryTest extends TestCase
         $subject->stopRunning();
 
         $session->remove('runningEntry')->shouldBeCalled();
+        $persistence->add($entry->reveal())->shouldBeCalled();
     }
 }