diff --git a/include/osmocom/msc/msc_ifaces.h b/include/osmocom/msc/msc_ifaces.h
index ca25e9d..94423ca 100644
--- a/include/osmocom/msc/msc_ifaces.h
+++ b/include/osmocom/msc/msc_ifaces.h
@@ -29,11 +29,11 @@
 /* Each main linkage must implement this function (see comment above). */
 extern int iu_tx(struct msgb *msg, uint8_t sapi);
 
-int msc_tx_dtap(struct gsm_subscriber_connection *conn,
+int msc_tx_dtap(struct ran_conn *conn,
 		struct msgb *msg);
 
-int msc_gsm48_tx_mm_serv_ack(struct gsm_subscriber_connection *conn);
-int msc_gsm48_tx_mm_serv_rej(struct gsm_subscriber_connection *conn,
+int msc_gsm48_tx_mm_serv_ack(struct ran_conn *conn);
+int msc_gsm48_tx_mm_serv_rej(struct ran_conn *conn,
 			     enum gsm48_reject_value value);
 
-int msc_tx_common_id(struct gsm_subscriber_connection *conn);
+int msc_tx_common_id(struct ran_conn *conn);