diff --git a/security/password_migration.rst b/security/password_migration.rst
index 9553d46de5a..bb77a0504ab 100644
--- a/security/password_migration.rst
+++ b/security/password_migration.rst
@@ -190,7 +190,7 @@ storing the newly created password hash::
             $user->setPassword($newEncodedPassword);
 
             // execute the queries on the database
-            $this->getEntityManager()->flush($user);
+            $this->getEntityManager()->flush();
         }
     }