diff --git a/modules/ui/src/app/app.module.ts b/modules/ui/src/app/app.module.ts
index 795d4e0d8..75497a351 100644
--- a/modules/ui/src/app/app.module.ts
+++ b/modules/ui/src/app/app.module.ts
@@ -54,7 +54,7 @@ import { WifiComponent } from './components/wifi/wifi.component';
 import { MqttModule, IMqttServiceOptions } from 'ngx-mqtt';
 
 export const MQTT_SERVICE_OPTIONS: IMqttServiceOptions = {
-  hostname: 'localhost',
+  hostname: `http://${window.location.hostname}`,
   port: 9001,
 };