Index: uspace/srv/net/loopip/loopip.c
===================================================================
--- uspace/srv/net/loopip/loopip.c	(revision 4c6fd56b8079778d8d40e0d5ffc6a1e8e8ad2b5b)
+++ uspace/srv/net/loopip/loopip.c	(revision ca48672c28630656df768752aa9bc313ce9ad11c)
@@ -1,4 +1,4 @@
 /*
- * Copyright (c) 2023 Jiri Svoboda
+ * Copyright (c) 2025 Jiri Svoboda
  * All rights reserved.
  *
@@ -121,5 +121,5 @@
 	const char *svc_name = "net/loopback";
 	service_id_t sid;
-	rc = loc_service_register(srv, svc_name, &sid);
+	rc = loc_service_register(srv, svc_name, fallback_port_id, &sid);
 	if (rc != EOK) {
 		loc_server_unregister(srv);