diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 9b6528b7b562..73bb61162445 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2470,7 +2470,7 @@ int ip_route_input_noref(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 	struct fib_result res;
 	int err;
 
-	tos &= IPTOS_RT_MASK;
+	tos &= INET_DSCP_MASK;
 	rcu_read_lock();
 	err = ip_route_input_rcu(skb, daddr, saddr, tos, dev, &res);
 	rcu_read_unlock();