diff --git a/core/modules/comment/tests/src/Unit/CommentStatisticsUnitTest.php b/core/modules/comment/tests/src/Unit/CommentStatisticsUnitTest.php
index bc499ba76f..8bd6764223 100644
--- a/core/modules/comment/tests/src/Unit/CommentStatisticsUnitTest.php
+++ b/core/modules/comment/tests/src/Unit/CommentStatisticsUnitTest.php
@@ -97,7 +97,7 @@ protected function setUp() {
       ->method('get')
       ->will($this->returnValue($this->database));
 
-    $this->commentStatistics = new CommentStatistics($this->database_factory, $this->getMock('Drupal\Core\Session\AccountInterface'), $this->getMock('Drupal\Core\Entity\EntityManagerInterface'), $this->getMock('Drupal\Core\State\StateInterface'));
+    $this->commentStatistics = new CommentStatistics($this->databaseFactory, $this->getMock('Drupal\Core\Session\AccountInterface'), $this->getMock('Drupal\Core\Entity\EntityManagerInterface'), $this->getMock('Drupal\Core\State\StateInterface'));
   }
 
   /**