diff --git a/openbsc/src/libmsc/sms_queue.c b/openbsc/src/libmsc/sms_queue.c
index ebc53c2..dc7f6e8 100644
--- a/openbsc/src/libmsc/sms_queue.c
+++ b/openbsc/src/libmsc/sms_queue.c
@@ -354,10 +354,8 @@
 	sms->max_fail = 1;
 	sms->network = network;
 	sms->max_pending = max_pending;
-	sms->push_queue.data = sms;
-	sms->push_queue.cb = sms_submit_pending;
-	sms->resend_pending.data = sms;
-	sms->resend_pending.cb = sms_resend_pending;
+	osmo_timer_setup(&sms->push_queue, sms_submit_pending, sms);
+	osmo_timer_setup(&sms->resend_pending, sms_resend_pending, sms);
 
 	sms_submit_pending(sms);