diff --git a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
index bf13395365..728840a090 100644
--- a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
+++ b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
@@ -171,6 +171,7 @@ class SecurityExtension extends Extension
         }
 
         $this->addClassesToCompile(array(
+            'Symfony\\Component\\Security\\Http\\AccessMapInterface',
             'Symfony\\Component\\Security\\Http\\AccessMap',
         ));