diff --git a/openbsc/src/osmo-nitb/bsc_hack.c b/openbsc/src/osmo-nitb/bsc_hack.c
index 031cb99..753fd88 100644
--- a/openbsc/src/osmo-nitb/bsc_hack.c
+++ b/openbsc/src/osmo-nitb/bsc_hack.c
@@ -228,7 +228,7 @@
 
 static void subscr_expire_cb(void *data)
 {
-	subscr_expire(bsc_gsmnet);
+	subscr_expire(bsc_gsmnet->subscr_group);
 	osmo_timer_schedule(&bsc_gsmnet->subscr_expire_timer, EXPIRE_INTERVAL);
 }