diff --git a/book/security.rst b/book/security.rst
index e9b41a08aee..d73823f3f1b 100644
--- a/book/security.rst
+++ b/book/security.rst
@@ -416,13 +416,13 @@ Next, create the controller that will display the login form::
     namespace Acme\SecurityBundle\Controller;
 
     use Symfony\Bundle\FrameworkBundle\Controller\Controller;
+    use Symfony\Component\HttpFoundation\Request;
     use Symfony\Component\Security\Core\SecurityContext;
 
     class SecurityController extends Controller
     {
-        public function loginAction()
+        public function loginAction(Request $request)
         {
-            $request = $this->getRequest();
             $session = $request->getSession();
 
             // get the login error if there is one