diff --git a/package.json b/package.json
index 5a3c7ac..afeadee 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vvzvlad/node-red-contrib-rn-combined-nodes",
-  "version": "0.0.8",
+  "version": "0.0.9",
   "description": "",
   "main": "index.js",
   "keywords": [
diff --git a/thermostat.js b/thermostat.js
index bdae994..217144b 100644
--- a/thermostat.js
+++ b/thermostat.js
@@ -3,7 +3,7 @@ module.exports = function(RED) {
         RED.nodes.createNode(this,config);
         var node = this;
         node.on('input', function(msg) {
-            msg.payload = msg.payload.toUpperCase();
+            msg.payload = msg.payload.toLowerCase();
             node.send(msg);
         });
     }