diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index 86624fa..f37d592 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -111,6 +111,7 @@
 			p->snd_una = tp->snd_una;
 			p->snd_cwnd = tp->snd_cwnd;
 			p->snd_wnd = tp->snd_wnd;
+			p->ssthresh = tcp_current_ssthresh(sk);
 			p->srtt = tp->srtt >> 3;
 
 			tcp_probe.head = (tcp_probe.head + 1) % bufsize;