diff --git a/frontend/src/ServerManager.jsx b/frontend/src/ServerManager.jsx
index caa7c13..22f6a2d 100644
--- a/frontend/src/ServerManager.jsx
+++ b/frontend/src/ServerManager.jsx
@@ -1463,6 +1463,8 @@ function EditServerModal({ show, server, onChange, onSave, onClose }) {
     setLocalServer(ensureGateways(server || {}));
   }, [server]);
 
+  const gateways = Array.isArray(localServer?.gateways) ? localServer.gateways : [];
+
   useEffect(() => {
     if (window.Tabler && window.Tabler.Modal && modalRef.current) {
       const modalInstance = window.Tabler.Modal.getOrCreateInstance(modalRef.current);