diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c
index 57c5f0b..3904d21 100644
--- a/net/ipv4/tcp_diag.c
+++ b/net/ipv4/tcp_diag.c
@@ -25,11 +25,13 @@
 	const struct tcp_sock *tp = tcp_sk(sk);
 	struct tcp_info *info = _info;
 
-	if (sk->sk_state == TCP_LISTEN)
+	if (sk->sk_state == TCP_LISTEN) {
 		r->idiag_rqueue = sk->sk_ack_backlog;
-	else
+		r->idiag_wqueue = sk->sk_max_ack_backlog;
+	} else {
 		r->idiag_rqueue = tp->rcv_nxt - tp->copied_seq;
-	r->idiag_wqueue = tp->write_seq - tp->snd_una;
+		r->idiag_wqueue = tp->write_seq - tp->snd_una;
+	}
 	if (info != NULL)
 		tcp_get_info(sk, info);
 }