diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 4f30ccf2d321..eb74e33ffb64 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -773,7 +773,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
 	}
 
 	ip_tunnel_init_flow(&fl4, protocol, dst, tnl_params->saddr,
-			    tunnel->parms.o_key, tos & INET_DSCP_MASK,
+			    tunnel->parms.o_key, RT_TOS(tos),
 			    dev_net(dev), READ_ONCE(tunnel->parms.link),
 			    tunnel->fwmark, skb_get_hash(skb), 0);