diff --git a/l2tpns.c b/l2tpns.c
index baa1a50..382a349 100644
--- a/l2tpns.c
+++ b/l2tpns.c
@@ -3963,7 +3963,7 @@ static void regular_cleanups(double period)
 		if (session[s].ppp.phase == Network && session[s].ppp.ipv6cp == Opened &&
 			(time_now - sess_local[s].last_ra >= RtrAdvInterval))
 		{
-			send_ipv6_ra(s, t, NULL);
+			send_ipv6_ra(s, session[s].tunnel, NULL);
 			sess_local[s].last_ra = time_now;
 		}