diff --git a/security/access_denied_handler.rst b/security/access_denied_handler.rst
index 59d6d6bb8d6..8601218ab56 100644
--- a/security/access_denied_handler.rst
+++ b/security/access_denied_handler.rst
@@ -29,6 +29,7 @@ unauthenticated user tries to access a protected resource::
     use Symfony\Component\HttpFoundation\RedirectResponse;
     use Symfony\Component\HttpFoundation\Request;
     use Symfony\Component\HttpFoundation\Session\SessionInterface;
+    use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
     use Symfony\Component\Security\Core\Exception\AuthenticationException;
     use Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface;