diff --git a/lib/controller.js b/lib/controller.js
index e13fce3e7..225bde039 100644
--- a/lib/controller.js
+++ b/lib/controller.js
@@ -550,10 +550,10 @@ class Controller {
 
             const callback = (error) => {
                 // Devices do not report when they go off, this ensures state (on/off) is always in sync.
-                if (!error && key.startsWith('state')) {
+                if (!error && (key.startsWith('state') || key === 'brightness')) {
                     const msg = {};
-                    const _key = topicPrefix ? `${key}_${topicPrefix}` : key;
-                    msg[_key] = json[key];
+                    const _key = topicPrefix ? `state_${topicPrefix}` : 'state';
+                    msg[_key] = key === 'brightness' ? 'ON' : json['state'];
                     this.mqttPublishDeviceState(device, msg, true);
                 }
             };