diff --git a/components/security/authentication.rst b/components/security/authentication.rst
index 753c7d00b7f..bc493166a72 100644
--- a/components/security/authentication.rst
+++ b/components/security/authentication.rst
@@ -76,6 +76,7 @@ The default authentication manager is an instance of
 :class:`Symfony\\Component\\Security\\Core\\Authentication\\AuthenticationProviderManager`::
 
     use Symfony\Component\Security\Core\Authentication\AuthenticationProviderManager;
+    use Symfony\Component\Security\Core\Exception\AuthenticationException;
 
     // instances of Symfony\Component\Security\Core\Authentication\Provider\AuthenticationProviderInterface
     $providers = array(...);