diff --git a/openbsc/src/ipaccess/ipaccess-config.c b/openbsc/src/ipaccess/ipaccess-config.c
index 081839b..0f83b90 100644
--- a/openbsc/src/ipaccess/ipaccess-config.c
+++ b/openbsc/src/ipaccess/ipaccess-config.c
@@ -342,7 +342,7 @@
 		*cur++ = 0;
 		printf("setting primary OML link IP to '%s'\n", inet_ntoa(ia));
 		oml_state = 1;
-		abis_nm_ipaccess_set_nvattr(bts->c0, buf, 3+len);
+		abis_nm_ipaccess_set_nvattr(trx, buf, 3+len);
 	}
 	if (nv_mask) {
 		len = 4;