diff --git a/include/osmocom/msc/iucs.h b/include/osmocom/msc/iucs.h
index 8b22104..2a70c65 100644
--- a/include/osmocom/msc/iucs.h
+++ b/include/osmocom/msc/iucs.h
@@ -5,8 +5,8 @@
 int gsm0408_rcvmsg_iucs(struct gsm_network *network, struct msgb *msg,
 			uint16_t *lac);
 
-struct gsm_subscriber_connection *subscr_conn_lookup_iu(struct gsm_network *network,
-							struct ranap_ue_conn_ctx *ue);
+struct ran_conn *ran_conn_lookup_iu(struct gsm_network *network,
+				    struct ranap_ue_conn_ctx *ue);
 int iu_rab_act_cs(struct gsm_trans *trans);
 
 uint32_t iu_get_conn_id(const struct ranap_ue_conn_ctx *ue);