diff --git a/openbsc/src/libmsc/smpp_openbsc.c b/openbsc/src/libmsc/smpp_openbsc.c
index b17222f..057a9d0 100644
--- a/openbsc/src/libmsc/smpp_openbsc.c
+++ b/openbsc/src/libmsc/smpp_openbsc.c
@@ -539,6 +539,11 @@
 
 static struct smsc *g_smsc;
 
+int smpp_route_smpp_first(struct gsm_sms *sms, struct gsm_subscriber_connection *conn)
+{
+	return g_smsc->smpp_first;
+}
+
 int smpp_try_deliver(struct gsm_sms *sms, struct gsm_subscriber_connection *conn)
 {
 	struct osmo_esme *esme;