diff --git a/libs/sofia-sip/.update b/libs/sofia-sip/.update
index 6348b7aa9b..e31494d7e6 100644
--- a/libs/sofia-sip/.update
+++ b/libs/sofia-sip/.update
@@ -1 +1 @@
-Wed Feb 11 11:17:39 CST 2009
+Wed Feb 11 11:18:06 CST 2009
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/outbound.c b/libs/sofia-sip/libsofia-sip-ua/nua/outbound.c
index c6535c3e4b..1e518f9fc5 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/outbound.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/outbound.c
@@ -684,9 +684,11 @@ void outbound_start_keepalive(outbound_t *ob,
   if (ob->ob_keepalive.timer)
     su_timer_destroy(ob->ob_keepalive.timer), ob->ob_keepalive.timer = NULL;
 
-  if (interval)
+  if (interval) {
     ob->ob_keepalive.timer =
       su_timer_create(su_root_task(ob->ob_root), interval);
+    su_timer_deferrable(ob->ob_keepalive.timer, 1);
+  }
 
   ob->ob_keepalive.interval = interval;