diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index 2d3fda60..21be3a8 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -5,6 +5,7 @@
 #include <net/protocol.h>
 #include <net/addrconf.h>
 #include <net/inet_common.h>
+#include <net/transp_v6.h>
 
 extern int  	__udp6_lib_rcv(struct sk_buff *, struct hlist_head [], int );
 extern void 	__udp6_lib_err(struct sk_buff *, struct inet6_skb_parm *,