diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index af503f518278..a6fe3397728c 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1027,6 +1027,8 @@ static int ip6gre_tunnel_init_common(struct net_device *dev)
 
 	dev->hard_header_len = LL_MAX_HEADER + t_hlen;
 	dev->mtu = ETH_DATA_LEN - t_hlen;
+	if (dev->type == ARPHRD_ETHER)
+		dev->mtu -= ETH_HLEN;
 	if (!(tunnel->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
 		dev->mtu -= 8;