diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 6ea3539..1ac35a6 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -236,7 +236,7 @@
 	if (err)
 		goto failure;
 
-	err = ip_route_newports(&rt, inet->sport, inet->dport, sk);
+	err = ip_route_newports(&rt, IPPROTO_TCP, inet->sport, inet->dport, sk);
 	if (err)
 		goto failure;