diff --git a/server/monitor-types/mqtt.js b/server/monitor-types/mqtt.js
index d9aaf964..9b2db43d 100644
--- a/server/monitor-types/mqtt.js
+++ b/server/monitor-types/mqtt.js
@@ -82,7 +82,7 @@ class MqttMonitorType extends MonitorType {
             let client = mqtt.connect(mqttUrl, {
                 username,
                 password,
-                clientId: 'uptime-kuma_' + Math.random().toString(16).substr(2, 8)
+                clientId: "uptime-kuma_" + Math.random().toString(16).substr(2, 8)
             });
 
             client.on("connect", () => {