diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index ba28aeb7cade..e70ace403bbd 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -51,7 +51,7 @@ static void ip6_datagram_flow_key_init(struct flowi6 *fl6, struct sock *sk)
 	fl6->flowi6_mark = sk->sk_mark;
 	fl6->fl6_dport = inet->inet_dport;
 	fl6->fl6_sport = inet->inet_sport;
-	fl6->flowlabel = np->flow_label;
+	fl6->flowlabel = ip6_make_flowinfo(np->tclass, np->flow_label);
 	fl6->flowi6_uid = sk->sk_uid;
 
 	if (!oif)