diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 3513149..dbb1f11 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -66,6 +66,7 @@
 		char 		buf[60];
 	} tmp_iph;
 
+	skb_push(skb, -skb_network_offset(skb));
 	top_iph = ip_hdr(skb);
 	iph = &tmp_iph.iph;