1 files changed, 2 insertions, 0 deletions

diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 9f298d0dc9a1..7ee6518afa86 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -30,6 +30,8 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
 
         mtu = dst_mtu(skb_dst(skb));
         if (skb->len > mtu) {
+                skb->protocol = htons(ETH_P_IP);
+
                 if (skb->sk)
                         xfrm_local_error(skb, mtu);
                 else