diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index f9f6891..a8221d1 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -344,6 +344,8 @@
 	    pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
 		goto out;
 
+	skb->ip_summed = CHECKSUM_NONE;
+
 	hdr_len = skb->data - skb_network_header(skb);
 	ah = (struct ip_auth_hdr *)skb->data;
 	ahp = x->data;