--- a/include/linux/netfilter_ipv4/ip_tables.h
+++ b/include/linux/netfilter_ipv4/ip_tables.h
@@ -114,7 +114,10 @@ struct ipt_entry
 #define IPT_CONTINUE XT_CONTINUE
 #define IPT_RETURN XT_RETURN
 
+#include <linux/version.h> 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 #include <linux/netfilter/xt_tcpudp.h>
+#endif
 #define ipt_udp xt_udp
 #define ipt_tcp xt_tcp