diff --git a/Include/pyerrors.h b/Include/pyerrors.h
index 14129d3533cbef..15a91408f293b6 100644
--- a/Include/pyerrors.h
+++ b/Include/pyerrors.h
@@ -47,11 +47,11 @@ PyAPI_FUNC(void) PyException_SetCause(PyObject *, PyObject *);
 PyAPI_FUNC(PyObject *) PyException_GetContext(PyObject *);
 PyAPI_FUNC(void) PyException_SetContext(PyObject *, PyObject *);
 
-/* */
-
-#define PyExceptionClass_Check(x)                                       \
-    (PyType_Check((x)) &&                                               \
-     PyType_FastSubclass((PyTypeObject*)(x), Py_TPFLAGS_BASE_EXC_SUBCLASS))
+static inline int _PyExceptionClass_Check(PyObject *exc) {
+    return (PyType_Check(exc) &&
+            PyType_FastSubclass((PyTypeObject *)(exc), Py_TPFLAGS_BASE_EXC_SUBCLASS));
+}
+#define PyExceptionClass_Check(exc) _PyExceptionClass_Check(_PyObject_CAST(exc))
 
 #define PyExceptionInstance_Check(x)                    \
     PyType_FastSubclass(Py_TYPE(x), Py_TPFLAGS_BASE_EXC_SUBCLASS)