diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 2aeb0680807d..0742e97f256e 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1482,6 +1482,7 @@ static void do_one_broadcast(struct sock *sk,
 		p->skb2 = NULL;
 		goto out;
 	}
+	NETLINK_CB(p->skb2).nsid_is_set = false;
 	NETLINK_CB(p->skb2).nsid = peernet2id(sock_net(sk), p->net);
 	if (NETLINK_CB(p->skb2).nsid != NETNSA_NSID_NOT_ASSIGNED)
 		NETLINK_CB(p->skb2).nsid_is_set = true;