diff --git a/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c b/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
index e0be97e636a4..69937b637ee5 100644
--- a/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
@@ -235,7 +235,7 @@ int nf_nat_icmpv6_reply_translation(struct sk_buff *skb,
 		inside->icmp6.icmp6_cksum =
 			csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr,
 					skb->len - hdrlen, IPPROTO_ICMPV6,
-					csum_partial(&inside->icmp6,
+					skb_checksum(skb, hdrlen,
 						     skb->len - hdrlen, 0));
 	}