diff --git a/src/libmsc/osmo_msc.c b/src/libmsc/osmo_msc.c
index 01e44f3..d0c5235 100644
--- a/src/libmsc/osmo_msc.c
+++ b/src/libmsc/osmo_msc.c
@@ -47,7 +47,7 @@
 		gsm411_sapi_n_reject(conn);
 }
 
-static void subscr_conn_release_when_unused(struct gsm_subscriber_connection *conn)
+void subscr_conn_release_when_unused(struct gsm_subscriber_connection *conn)
 {
 	if (!conn)
 		return;