diff --git a/stdlib/builtins.pyi b/stdlib/builtins.pyi
index fd72c96a2..df16921c8 100644
--- a/stdlib/builtins.pyi
+++ b/stdlib/builtins.pyi
@@ -166,9 +166,9 @@ class type(object):
 
 class super(object):
     @overload
-    def __init__(self, t: Any, obj: Any) -> None: ...
+    def __init__(self, __t: Any, __obj: Any) -> None: ...
     @overload
-    def __init__(self, t: Any) -> None: ...
+    def __init__(self, __t: Any) -> None: ...
     @overload
     def __init__(self) -> None: ...