diff --git a/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c b/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
index 81a2d1c3da8e..abfe75a2e316 100644
--- a/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
@@ -15,6 +15,7 @@
 #include <linux/netfilter_ipv6.h>
 #include <net/secure_seq.h>
 #include <net/checksum.h>
+#include <net/ip6_checksum.h>
 #include <net/ip6_route.h>
 #include <net/ipv6.h>