diff --git a/src/gsm_04_08.c b/src/gsm_04_08.c
index 7dccb14..80aeaa4 100644
--- a/src/gsm_04_08.c
+++ b/src/gsm_04_08.c
@@ -338,7 +338,7 @@
 			if (authorize_subscriber(lchan->subscr)) {
 				db_subscriber_alloc_tmsi(lchan->subscr);
 				tmsi = strtoul(lchan->subscr->tmsi, NULL, 10);
-				del_timer(&lchan->timer);
+				del_timer(&lchan->updating_timer);
 				return gsm0408_loc_upd_acc(msg->lchan, tmsi);
 			} else {
 				schedule_reject(lchan);
@@ -444,7 +444,7 @@
 
 	tmsi = strtoul(subscr->tmsi, NULL, 10);
 
-	del_timer(&lchan->timer);
+	del_timer(&lchan->updating_timer);
 	return gsm0408_loc_upd_acc(lchan, tmsi);
 }