diff --git a/Objects/methodobject.c b/Objects/methodobject.c
index 7bff6a0..1d55a0c 100644
--- a/Objects/methodobject.c
+++ b/Objects/methodobject.c
@@ -240,8 +240,7 @@
         PyObject *kwnames;
         _PyCFunctionFast fastmeth = (_PyCFunctionFast)meth;
 
-        if (_PyStack_UnpackDict(args, nargs, kwargs,
-                                &stack, &kwnames, func_obj) < 0) {
+        if (_PyStack_UnpackDict(args, nargs, kwargs, &stack, &kwnames) < 0) {
             return NULL;
         }