diff --git a/security/user_provider.rst b/security/user_provider.rst
index 04a587b2529..b84d4395987 100644
--- a/security/user_provider.rst
+++ b/security/user_provider.rst
@@ -409,7 +409,7 @@ command will generate a nice skeleton to get you started::
          */
         public function supportsClass($class)
         {
-            return User::class === $class;
+            return User::class === $class || is_subclass_of($class, User::class);
         }
     }