diff --git a/openbsc/src/abis_nm.c b/openbsc/src/abis_nm.c
index d679d78..aaa7dd5 100644
--- a/openbsc/src/abis_nm.c
+++ b/openbsc/src/abis_nm.c
@@ -2899,11 +2899,11 @@
 }
 
 /* set some attributes in NVRAM */
-int abis_nm_ipaccess_set_nvattr(struct gsm_bts *bts, u_int8_t *attr,
+int abis_nm_ipaccess_set_nvattr(struct gsm_bts_trx *trx, u_int8_t *attr,
 				int attr_len)
 {
-	return abis_nm_ipaccess_msg(bts, NM_MT_IPACC_SET_NVATTR,
-				    NM_OC_BASEB_TRANSC, 0, 0, 0xff, attr,
+	return abis_nm_ipaccess_msg(trx->bts, NM_MT_IPACC_SET_NVATTR,
+				    NM_OC_BASEB_TRANSC, 0, trx->nr, 0xff, attr,
 				    attr_len);
 }