diff --git a/Objects/weakrefobject.c b/Objects/weakrefobject.c
index 8b8e710..ae3f6dc 100644
--- a/Objects/weakrefobject.c
+++ b/Objects/weakrefobject.c
@@ -874,7 +874,7 @@
 static void
 handle_callback(PyWeakReference *ref, PyObject *callback)
 {
-    PyObject *cbresult = PyObject_CallFunctionObjArgs(callback, ref, NULL);
+    PyObject *cbresult = _PyObject_CallOneArg(callback, (PyObject *)ref);
 
     if (cbresult == NULL)
         PyErr_WriteUnraisable(callback);