diff --git a/openbsc/src/chan_alloc.c b/openbsc/src/chan_alloc.c
index f2683f6..c8e358d 100644
--- a/openbsc/src/chan_alloc.c
+++ b/openbsc/src/chan_alloc.c
@@ -264,6 +264,7 @@
 
 		/* Configure the time and start it so it will be closed */
 		lchan->conn.lchan = lchan;
+		lchan->conn.bts = lchan->ts->trx->bts;
 		lchan->conn.release_timer.cb = auto_release_channel;
 		lchan->conn.release_timer.data = lchan;
 		bsc_schedule_timer(&lchan->conn.release_timer, LCHAN_RELEASE_TIMEOUT);