diff --git a/Classes/Controller/TestimonialController.php b/Classes/Controller/TestimonialController.php
index ba4ef96..eb3d2e4 100644
--- a/Classes/Controller/TestimonialController.php
+++ b/Classes/Controller/TestimonialController.php
@@ -14,6 +14,7 @@ namespace OliverKlee\Tea\Controller;
  * The TYPO3 project - inspiring people to share!
  */
 
+use OliverKlee\Tea\Domain\Repository\TestimonialRepository;
 use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
 
 /**
@@ -24,11 +25,20 @@ use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
 class TestimonialController extends ActionController
 {
     /**
-     * @inject
      * @var \OliverKlee\Tea\Domain\Repository\TestimonialRepository
      */
     protected $testimonialRepository = null;
 
+    /**
+     * @param TestimonialRepository $repository
+     *
+     * @return void
+     */
+    public function injectTestimonialRepository(TestimonialRepository $repository)
+    {
+        $this->testimonialRepository = $repository;
+    }
+
     /**
      * Lists all testimonials.
      *
diff --git a/Tests/Unit/Controller/TestimonialControllerTest.php b/Tests/Unit/Controller/TestimonialControllerTest.php
index 52a1609..92d9b27 100644
--- a/Tests/Unit/Controller/TestimonialControllerTest.php
+++ b/Tests/Unit/Controller/TestimonialControllerTest.php
@@ -70,7 +70,7 @@ class TestimonialControllerTest extends \TYPO3\CMS\Core\Tests\UnitTestCase
 
         $this->testimonialRepositoryProphecy = $this->prophesize(TestimonialRepository::class);
         $this->testimonialRepository = $this->testimonialRepositoryProphecy->reveal();
-        $this->inject($this->subject, 'testimonialRepository', $this->testimonialRepository);
+        $this->subject->injectTestimonialRepository($this->testimonialRepository);
     }
 
     /**