diff --git a/web/push-notif/push-notifs-handler.js b/web/push-notif/push-notifs-handler.js
--- a/web/push-notif/push-notifs-handler.js
+++ b/web/push-notif/push-notifs-handler.js
@@ -48,7 +48,7 @@
   );
 
   React.useEffect(() => {
-    electron?.fetchDeviceToken();
+    electron?.fetchDeviceToken?.();
   }, []);
 
   React.useEffect(