diff --git a/src/Api/SkillSetProgress.php b/src/Api/SkillSetProgress.php
index e8412e0..788cb0a 100644
--- a/src/Api/SkillSetProgress.php
+++ b/src/Api/SkillSetProgress.php
@@ -69,7 +69,7 @@ class SkillSetProgress
             throw new \Exception('Did not get proper response for SkillSetProgress.', 1688639840720);
         }
 
-        $body = (string)$result->getBody();
+        $body = (string) $result->getBody();
 
         if (strpos($body, 'Oops, an error occurred') !== false) {
             throw new \Exception('Did not get proper response for SkillSetProgress. SkillSet with id "' . $id . '" does probably not exist.', 1688639873065);
diff --git a/src/Entity/SkillSetProgress.php b/src/Entity/SkillSetProgress.php
index 49b22b7..20c6c76 100644
--- a/src/Entity/SkillSetProgress.php
+++ b/src/Entity/SkillSetProgress.php
@@ -25,7 +25,8 @@ namespace SkillDisplay\PHPToolKit\Entity;
 
 use SkillDisplay\PHPToolKit\Configuration\Settings;
 
-class SkillSetProgress {
+class SkillSetProgress
+{
     private array $data;
 
     private Settings $settings;
diff --git a/tests/Unit/Api/SkillSetProgressTest.php b/tests/Unit/Api/SkillSetProgressTest.php
index f35a749..b833636 100644
--- a/tests/Unit/Api/SkillSetProgressTest.php
+++ b/tests/Unit/Api/SkillSetProgressTest.php
@@ -26,6 +26,7 @@ namespace SkillDisplay\PHPToolKit\Tests\Unit\Api;
 use GuzzleHttp\Client;
 use GuzzleHttp\Psr7\Request;
 use GuzzleHttp\Psr7\Response;
+use GuzzleHttp\Psr7\Utils;
 use Prophecy\Argument;
 use Prophecy\PhpUnit\ProphecyTrait;
 use SkillDisplay\PHPToolKit\Api\SkillSetProgress;
@@ -73,12 +74,11 @@ class SkillSetProgressTest extends TestCase
             return (string) $request->getUri() === 'https://example.com/api/v1/skillset/10/progress'
                 && $request->getHeader('x-api-key') === ['none']
                 && $request->getHeader('Content-Type') === ['application/json']
-                && $request->getMethod() === 'GET'
-                ;
+                && $request->getMethod() === 'GET';
         }))->willReturn($response->reveal());
 
         $response->getStatusCode()->willReturn(200);
-        $response->getBody()->willReturn('{"tier3":44.44444444444444,"tier2":40.74074074074074,"tier1":0,"tier4":0}');
+        $response->getBody()->willReturn(Utils::streamFor('{"tier3":44.44444444444444,"tier2":40.74074074074074,"tier1":0,"tier4":0}'));
 
         $progress = new SkillSetProgress(
             $settings->reveal(),
@@ -145,6 +145,4 @@ class SkillSetProgressTest extends TestCase
             ],
         ];
     }
-
-
 }
diff --git a/tests/Unit/Entity/SkillSetProgressTest.php b/tests/Unit/Entity/SkillSetProgressTest.php
index 8f46314..3a1cfca 100644
--- a/tests/Unit/Entity/SkillSetProgressTest.php
+++ b/tests/Unit/Entity/SkillSetProgressTest.php
@@ -84,5 +84,4 @@ class SkillSetProgressTest extends TestCase
         $progress = SkillSetProgress::createFromJson('{"tier4": 0}', $settings->reveal());
         static::assertSame(0.0, $progress->getTier4());
     }
-
 }