diff --git a/src/Symfony/Component/DependencyInjection/ContainerAware.php b/src/Symfony/Component/DependencyInjection/ContainerAware.php
index 1ae1db44af..4096915311 100644
--- a/src/Symfony/Component/DependencyInjection/ContainerAware.php
+++ b/src/Symfony/Component/DependencyInjection/ContainerAware.php
@@ -18,7 +18,7 @@ namespace Symfony\Component\DependencyInjection;
  *
  * @api
  */
-class ContainerAware implements ContainerAwareInterface
+abstract class ContainerAware implements ContainerAwareInterface
 {
     /**
      * @var ContainerInterface