diff --git a/bgpd/bgp_packet.c b/bgpd/bgp_packet.c
index 18114ad..7d27972 100644
--- a/bgpd/bgp_packet.c
+++ b/bgpd/bgp_packet.c
@@ -28,6 +28,7 @@
 #include "log.h"
 #include "memory.h"
 #include "sockunion.h"		/* for inet_ntop () */
+#include "sockopt.h"
 #include "linklist.h"
 #include "plist.h"
 
@@ -2592,6 +2593,7 @@
     {
     case BGP_MSG_OPEN:
       peer->open_in++;
+      peer->rtt = sockopt_tcp_rtt(peer->fd);
       bgp_open_receive (peer, size); /* XXX return value ignored! */
       break;
     case BGP_MSG_UPDATE: