diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index 06c87b0..c4edcca 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -2333,8 +2333,7 @@
 {
     PyObject *result = _PyBytes_FromHex(string, 0);
     if (type != &PyBytes_Type && result != NULL) {
-        Py_SETREF(result, PyObject_CallFunctionObjArgs((PyObject *)type,
-                                                       result, NULL));
+        Py_SETREF(result, _PyObject_CallOneArg((PyObject *)type, result));
     }
     return result;
 }