Index: uspace/srv/test/chardev-test/main.c
===================================================================
--- uspace/srv/test/chardev-test/main.c	(revision d53a5ab03c9908a886b8d7780095b6f74858e51a)
+++ uspace/srv/test/chardev-test/main.c	(revision cb20b05b56e214b3b2d2db4c1f2333f7868f368a)
@@ -1,4 +1,4 @@
 /*
- * Copyright (c) 2023 Jiri Svoboda
+ * Copyright (c) 2025 Jiri Svoboda
  * All rights reserved.
  *
@@ -142,5 +142,5 @@
 
 	rc = loc_service_register(srv, SERVICE_NAME_CHARDEV_TEST_SMALLX,
-	    &smallx_svc_id);
+	    fallback_port_id, &smallx_svc_id);
 	if (rc != EOK) {
 		printf("%s: Failed registering service.: %s\n", NAME, str_error(rc));
@@ -149,5 +149,5 @@
 
 	rc = loc_service_register(srv, SERVICE_NAME_CHARDEV_TEST_LARGEX,
-	    &largex_svc_id);
+	    fallback_port_id, &largex_svc_id);
 	if (rc != EOK) {
 		printf("%s: Failed registering service.: %s\n", NAME, str_error(rc));
@@ -156,5 +156,5 @@
 
 	rc = loc_service_register(srv, SERVICE_NAME_CHARDEV_TEST_PARTIALX,
-	    &partialx_svc_id);
+	    fallback_port_id, &partialx_svc_id);
 	if (rc != EOK) {
 		printf("%s: Failed registering service.: %s\n", NAME, str_error(rc));
Index: uspace/srv/test/ipc-test/main.c
===================================================================
--- uspace/srv/test/ipc-test/main.c	(revision d53a5ab03c9908a886b8d7780095b6f74858e51a)
+++ uspace/srv/test/ipc-test/main.c	(revision cb20b05b56e214b3b2d2db4c1f2333f7868f368a)
@@ -1,4 +1,4 @@
 /*
- * Copyright (c) 2023 Jiri Svoboda
+ * Copyright (c) 2025 Jiri Svoboda
  * All rights reserved.
  *
@@ -361,5 +361,6 @@
 	}
 
-	rc = loc_service_register(srv, SERVICE_NAME_IPC_TEST, &svc_id);
+	rc = loc_service_register(srv, SERVICE_NAME_IPC_TEST, fallback_port_id,
+	    &svc_id);
 	if (rc != EOK) {
 		loc_server_unregister(srv);