diff --git a/Include/dictobject.h b/Include/dictobject.h
index b37573a..c88b0aa 100644
--- a/Include/dictobject.h
+++ b/Include/dictobject.h
@@ -16,7 +16,7 @@
 
 #define PyDict_Check(op) \
                  PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_DICT_SUBCLASS)
-#define PyDict_CheckExact(op) (Py_TYPE(op) == &PyDict_Type)
+#define PyDict_CheckExact(op) Py_IS_TYPE(op, &PyDict_Type)
 
 PyAPI_FUNC(PyObject *) PyDict_New(void);
 PyAPI_FUNC(PyObject *) PyDict_GetItem(PyObject *mp, PyObject *key);