diff -urN linuxigd-1.0/iptc.c linuxigd-1.0.new/iptc.c
--- linuxigd-1.0/iptc.c	2006-09-11 17:55:48.000000000 +0200
+++ linuxigd-1.0.new/iptc.c	2007-07-13 14:50:23.000000000 +0200
@@ -6,7 +6,12 @@
 #include <string.h>
 #include <iptables.h>
 #include <libiptc/libiptc.h>
+#include <linux/version.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
+#include <linux/netfilter/nf_nat.h>
+#else
 #include <linux/netfilter_ipv4/ip_nat.h>
+#endif
 #include <arpa/inet.h> /* inet_addr */
 #include "globals.h"
 #include "util.h"
