--- iptables-1.2.10/iptables-restore.c.counters	2004-06-15 00:02:16.000000000 +0200
+++ iptables-1.2.10/iptables-restore.c	2004-06-17 14:01:50.953645355 +0200
@@ -73,7 +73,10 @@
 
 int parse_counters(char *string, struct ipt_counters *ctr)
 {
-	return (sscanf(string, "[%llu:%llu]", (unsigned long long *)&ctr->pcnt, (unsigned long long *)&ctr->bcnt) == 2);
+	if (string != NULL)
+		return (sscanf(string, "[%llu:%llu]", (unsigned long long *)&ctr->pcnt, (unsigned long long *)&ctr->bcnt) == 2);
+	else
+		return (0 == 2);
 }
 
 /* global new argv and argc */