diff --git a/Objects/methodobject.c b/Objects/methodobject.c
index ec98de4..9e91f60 100644
--- a/Objects/methodobject.c
+++ b/Objects/methodobject.c
@@ -180,7 +180,7 @@
 		if (x == -1)
 			return -1;
 	}
-	y = _Py_HashPointer(a->m_ml->ml_meth);
+	y = _Py_HashPointer((void*)(a->m_ml->ml_meth));
 	if (y == -1)
 		return -1;
 	x ^= y;