diff --git a/src/views/GuildroomPage/GuildroomPageView.tsx b/src/views/GuildroomPage/GuildroomPageView.tsx
index 3b98ec0..fc27e04 100644
--- a/src/views/GuildroomPage/GuildroomPageView.tsx
+++ b/src/views/GuildroomPage/GuildroomPageView.tsx
@@ -39,7 +39,9 @@ const GuildroomView = () => {
   useEffect(() => {
     setStatus(false);
     if (process.env.NEXT_PUBLIC_MQTT_HOST) {
-      setClient(mqtt.connect(`ws://${process.env.NEXT_PUBLIC_MQTT_HOST}`));
+      setClient(mqtt.connect(`wss://${process.env.NEXT_PUBLIC_MQTT_HOST}`));
+    } else {
+      console.error("MQTT host undefined");
     }
   }, []);