diff --git a/include/net/udp.h b/include/net/udp.h
index bb967dd..e82f3a8 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -245,5 +245,5 @@
 extern void udp_init(void);
 
 extern int udp4_ufo_send_check(struct sk_buff *skb);
-extern struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, int features);
+extern struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, u32 features);
 #endif	/* _UDP_H */