diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index c1d07c7ed03d7d37fa28d1509093e686f78134d2..6b6002416a73950d493661ea1459870f49917efc 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -393,7 +393,7 @@ static void hystart_update(struct sock *sk, u32 delay)
 			ca->sample_cnt++;
 		} else {
 			if (ca->curr_rtt > ca->delay_min +
-			    HYSTART_DELAY_THRESH(ca->delay_min>>4)) {
+			    HYSTART_DELAY_THRESH(ca->delay_min >> 3)) {
 				ca->found |= HYSTART_DELAY;
 				NET_INC_STATS_BH(sock_net(sk),
 						 LINUX_MIB_TCPHYSTARTDELAYDETECT);