diff --git a/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php b/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php
index 8dfc292073..351d27900e 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php
@@ -123,6 +123,7 @@ abstract class KernelTestCase extends TestCase
                 $container->reset();
             }
         }
+        static::$container = null;
     }
 
     /**