diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 49645181..24c99f4 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -1907,7 +1907,7 @@
 {
 	PyObject *newlist, *v, *seq, *compare=NULL, *keyfunc=NULL, *newargs;
 	PyObject *callable;
-	static const char *kwlist[] = {"iterable", "cmp", "key", "reverse", 0};
+	static char *kwlist[] = {"iterable", "cmp", "key", "reverse", 0};
 	int reverse;
 
 	/* args 1-4 should match listsort in Objects/listobject.c */