diff --git a/openbsc/src/libmsc/gsm_04_11.c b/openbsc/src/libmsc/gsm_04_11.c
index bc9d59e..9941e6b 100644
--- a/openbsc/src/libmsc/gsm_04_11.c
+++ b/openbsc/src/libmsc/gsm_04_11.c
@@ -765,7 +765,8 @@
 
 	if (!trans) {
 		DEBUGP(DLSMS, " -> (new transaction)\n");
-		trans = trans_alloc(conn->subscr, GSM48_PDISC_SMS,
+		trans = trans_alloc(conn->bts->network, conn->subscr,
+				    GSM48_PDISC_SMS,
 				    transaction_id, new_callref++);
 		if (!trans) {
 			DEBUGP(DLSMS, " -> No memory for trans\n");
@@ -838,7 +839,8 @@
 	DEBUGP(DLSMS, "send_sms_lchan()\n");
 
 	/* FIXME: allocate transaction with message reference */
-	trans = trans_alloc(conn->subscr, GSM48_PDISC_SMS,
+	trans = trans_alloc(conn->bts->network, conn->subscr,
+			    GSM48_PDISC_SMS,
 			    transaction_id, new_callref++);
 	if (!trans) {
 		LOGP(DLSMS, LOGL_ERROR, "No memory for trans\n");