diff --git a/include/openbsc/abis_nm.h b/include/openbsc/abis_nm.h
index fb9e2f2..5d09172 100644
--- a/include/openbsc/abis_nm.h
+++ b/include/openbsc/abis_nm.h
@@ -539,9 +539,8 @@
 int abis_nm_bs11_create_bport(struct gsm_bts *bts, u_int8_t idx);
 int abis_nm_bs11_delete_object(struct gsm_bts *bts,
 				enum abis_bs11_objtype type, u_int8_t idx);
-int abis_nm_bs11_set_oml_tei(struct gsm_bts *bts, u_int8_t tei);
-int abis_nm_bs11_conn_oml(struct gsm_bts *bts, u_int8_t e1_port,
-			  u_int8_t e1_timeslot, u_int8_t e1_subslot);
+int abis_nm_bs11_conn_oml_tei(struct gsm_bts *bts, u_int8_t e1_port,
+			  u_int8_t e1_timeslot, u_int8_t e1_subslot, u_int8_t tei);
 int abis_nm_bs11_get_oml_tei_ts(struct gsm_bts *bts);
 int abis_nm_bs11_get_serno(struct gsm_bts *bts);
 int abis_nm_bs11_set_trx_power(struct gsm_bts_trx *trx, u_int8_t level);