diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index ec59344478d27eafb79c5ee88c0dbfc6e858f542..0c17dec11c8d1215725f780666056f8304ecf25f 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -119,7 +119,8 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features)
 
 	for (skb = segs; skb; skb = skb->next) {
 		ipv6h = skb->nh.ipv6h;
-		ipv6h->payload_len = htons(skb->len - skb->mac_len);
+		ipv6h->payload_len = htons(skb->len - skb->mac_len -
+					   sizeof(*ipv6h));
 	}
 
 out: