diff --git a/mdah.js b/mdah.js
index f41ccb2c..d633b8ea 100644
--- a/mdah.js
+++ b/mdah.js
@@ -1,6 +1,6 @@
 //##############################################################################
 //  This file is part of MyDomoAtHome - https://github.com/empierre/MyDomoAtHome
-//      Copyright (C) 2014-2017 Emmanuel PIERRE (domoticz@e-nef.com)
+//      Copyright (C) 2014-2018 Emmanuel PIERRE (domoticz@e-nef.com)
 //
 // MyDomoAtHome is free software: you can redistribute it and/or modify
 //  it under the terms of the GNU General Public License as published by
@@ -35,6 +35,7 @@ var errorHandler = require('errorhandler');
 var requester = require('sync-request');
 var winston = require('winston');
 var pjson = require('./package.json');
+var isBase64 = require('is-base64');
 var app = express();
 global.logger = winston;
 
@@ -418,13 +419,19 @@ function DevMultiSwitch(data) {
     params.push({"key": "LastRun", "value": dt});
     var status;
     //console.log("L:"+data.Level);
-    var res = data.LevelNames.split('|').join(',');
+    var dataLevelNames;
+    if (isBase64(data.LevelNames)) {
+        dataLevelNames = new Buffer(data.LevelNames, 'base64').toString("ascii");; // Ta-da
+    } else {
+	dataLevelNames=data.LevelNames;
+    }
+    var res = dataLevelNames.split('|').join(',');
 	
 	if(data.LevelOffHidden) {
 		res = res.replace ("Off,","");
 	}
 	
-    var ret = data.LevelNames.split('|');
+    var ret = dataLevelNames.split('|');
     var mydev = {MaxDimLevel: null, Action: null, graph: null, Selector: ret};
      console.log(mydev);
     device_tab[data.idx] = mydev;
diff --git a/package.json b/package.json
index 1402913f..3b709e85 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "request": "^2.67.0",
     "sync-request": "3.0.0",
     "underscore": "1.4.4",
+    "is-base64": "0.0.4",
     "winston": "^1.0.1"
   },
   "devDependencies": {
@@ -115,4 +116,4 @@
       "safeGet"
     ]
   }
-}
\ No newline at end of file
+}