diff --git a/cookbook/security/voters.rst b/cookbook/security/voters.rst
index 9a2a4c6a244..44c666bbf42 100644
--- a/cookbook/security/voters.rst
+++ b/cookbook/security/voters.rst
@@ -224,9 +224,7 @@ from the authorization checker is called.
             // get a Post instance
             $post = ...;
 
-            $authChecker = $this->get('security.authorization_checker');
-
-            $this->denyAccessUnlessGranted('view', $post, 'Unauthorized access!');
+            $authChecker->denyAccessUnlessGranted('view', $post, 'Unauthorized access!');
 
             return new Response('<h1>'.$post->getName().'</h1>');
         }