diff --git a/core/modules/serialization/lib/Drupal/serialization/Tests/SerializationTest.php b/core/modules/serialization/lib/Drupal/serialization/Tests/SerializationTest.php
index e0c62cd..152c821 100644
--- a/core/modules/serialization/lib/Drupal/serialization/Tests/SerializationTest.php
+++ b/core/modules/serialization/lib/Drupal/serialization/Tests/SerializationTest.php
@@ -36,7 +36,7 @@ public static function getInfo() {
 
   protected function setUp() {
     parent::setUp();
-    $this->serializer = drupal_container()->get('serializer');
+    $this->serializer = $this->container->get()->get('serializer');
   }
 
   /**