diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 129ec5a9b0eb..bc65e5b7195b 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -66,6 +66,7 @@ int udpv6_init_sock(struct sock *sk)
 {
 	skb_queue_head_init(&udp_sk(sk)->reader_queue);
 	sk->sk_destruct = udpv6_destruct_sock;
+	set_bit(SOCK_SUPPORT_ZC, &sk->sk_socket->flags);
 	return 0;
 }