diff --git a/lib/controller.js b/lib/controller.js
index 65eee2d2d..27ceddc5c 100644
--- a/lib/controller.js
+++ b/lib/controller.js
@@ -257,10 +257,10 @@ class Controller {
                 if (typeof messagePayload[key] == 'object') {
                     Object.keys(messagePayload[key]).forEach((subKey) => {
                         this.mqtt.publish(`${entity.friendlyName}/${key}-${subKey}`,
-                            JSON.stringify(messagePayload[key][subKey]), options);
+                            `${messagePayload[key][subKey]}`, options);
                     });
                 } else {
-                    this.mqtt.publish(`${entity.friendlyName}/${key}`, JSON.stringify(messagePayload[key]), options);
+                    this.mqtt.publish(`${entity.friendlyName}/${key}`, `${messagePayload[key]}`, options);
                 }
             });
         }