diff --git a/src/utils/bs11_config.c b/src/utils/bs11_config.c
index bc0f488..e7c8336 100644
--- a/src/utils/bs11_config.c
+++ b/src/utils/bs11_config.c
@@ -969,3 +969,15 @@
 
 	exit(0);
 }
+
+/* Stub */
+int osmo_bsc_sigtran_send(struct gsm_subscriber_connection *conn, struct msgb *msg)
+{
+	return 0;
+}
+
+/* Stub */
+int osmo_bsc_sigtran_open_conn(struct gsm_subscriber_connection *conn, struct msgb *msg)
+{
+	return 0;
+}