diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 7641b2761a14..7ecdc89229e8 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2608,6 +2608,7 @@ static void tcp_conservative_spur_to_response(struct tcp_sock *tp)
 {
 	tp->snd_cwnd = min(tp->snd_cwnd, tp->snd_ssthresh);
 	tp->snd_cwnd_cnt = 0;
+	TCP_ECN_queue_cwr(tp);
 	tcp_moderate_cwnd(tp);
 }