diff --git a/res/app/components/stf/control/transaction-service.js b/res/app/components/stf/control/transaction-service.js
index 9e88ba61..0742675c 100644
--- a/res/app/components/stf/control/transaction-service.js
+++ b/res/app/components/stf/control/transaction-service.js
@@ -1,10 +1,11 @@
 var Promise = require('bluebird')
+var uuid = require('node-uuid')
 
 module.exports = function TransactionServiceFactory(socket) {
   var transactionService = {}
 
   function createChannel() {
-    return 'tx' + Date.now() // @todo UUID
+    return 'tx.' + uuid.v4()
   }
 
   function Transaction(devices) {