diff --git a/include/osmocom/msc/gsm_04_80.h b/include/osmocom/msc/gsm_04_80.h
index c448c91..29b800b 100644
--- a/include/osmocom/msc/gsm_04_80.h
+++ b/include/osmocom/msc/gsm_04_80.h
@@ -2,12 +2,12 @@
 
 #include <stdint.h>
 
-struct gsm_subscriber_connection;
+struct ran_conn;
 
-int msc_send_ussd_reject(struct gsm_subscriber_connection *conn,
+int msc_send_ussd_reject(struct ran_conn *conn,
 			     uint8_t transaction_id, int invoke_id,
 			     uint8_t problem_tag, uint8_t problem_code);
 
-int msc_send_ussd_notify(struct gsm_subscriber_connection *conn, int level,
+int msc_send_ussd_notify(struct ran_conn *conn, int level,
 			 const char *text);
-int msc_send_ussd_release_complete(struct gsm_subscriber_connection *conn);
+int msc_send_ussd_release_complete(struct ran_conn *conn);