#1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
diff --git a/Include/descrobject.h b/Include/descrobject.h
index badfa5b..f06b421 100644
--- a/Include/descrobject.h
+++ b/Include/descrobject.h
@@ -82,7 +82,7 @@
struct PyGetSetDef *);
PyAPI_FUNC(PyObject *) PyDescr_NewWrapper(PyTypeObject *,
struct wrapperbase *, void *);
-#define PyDescr_IsData(d) (Py_Type(d)->tp_descr_set != NULL)
+#define PyDescr_IsData(d) (Py_TYPE(d)->tp_descr_set != NULL)
PyAPI_FUNC(PyObject *) PyDictProxy_New(PyObject *);
PyAPI_FUNC(PyObject *) PyWrapper_New(PyObject *, PyObject *);