diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index 8e01c44a987c..0c8934a317c2 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -13,6 +13,7 @@
 #include <net/protocol.h>
 #include <net/ipv6.h>
 #include <net/udp.h>
+#include <net/ip6_checksum.h>
 #include "ip6_offload.h"
 
 static int udp6_ufo_send_check(struct sk_buff *skb)