diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index adc73adadfae47a892da6527309396e57a530590..0765d8bd380f623ad6b29291af39daa4ee77ad69 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -193,7 +193,7 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row,
 		   sk2->sk_family	       == PF_INET6	 &&
 		   ipv6_addr_equal(&tw6->tw_v6_daddr, saddr)	 &&
 		   ipv6_addr_equal(&tw6->tw_v6_rcv_saddr, daddr) &&
-		   sk2->sk_bound_dev_if == sk->sk_bound_dev_if) {
+		   (!sk2->sk_bound_dev_if || sk2->sk_bound_dev_if == dif)) {
 			if (twsk_unique(sk, sk2, twp))
 				goto unique;
 			else