diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 3e9ecfaf67e203095197660801fab536919acc83..395a417ba9554baaeb0d9678c543abe4e802b3eb 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -7,6 +7,7 @@
 #include <net/ipv6.h>
 #include <net/ip6_route.h>
 #include <net/xfrm.h>
+#include <net/ip6_checksum.h>
 
 int ip6_route_me_harder(struct sk_buff *skb)
 {