diff --git a/README.md b/README.md
index f868999..09b7720 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,11 @@ After sending the state will be set to 0 again.
 
 ## Changelog
 
+### 0.9.1
+please delete all harmony.x objects once
+* (Pmant) fix problematic chars
+
+
 ### 0.7.0
 * (Pmant) support multiple hubs
 * (Pmant) removed hub config from admin
diff --git a/harmony.js b/harmony.js
index 0ac9b3d..c2894e0 100644
--- a/harmony.js
+++ b/harmony.js
@@ -15,6 +15,10 @@ var utils = require(__dirname + '/lib/utils'); // Get common adapter utils
 var adapter = utils.adapter('harmony');
 var hubs = {};
 var discover;
+const FORBIDDEN_CHARS = /[\]\[*,;'"`<>\\?]/g;
+const fixId = function(id) {
+    return id.replace(FORBIDDEN_CHARS, '_');
+}
 
 
 adapter.on('stateChange', function (id, state) {
@@ -173,7 +177,7 @@ function discoverStart() {
             // Triggered when a new hub was found
             if (hub.host_name !== 'undefined' && hub.host_name !== undefined) {
                 adapter.log.info('discovered ' + hub.host_name);
-                var hubName = hub.host_name.replace(/[.\s]+/g, '_');
+                var hubName = fixId(hub.host_name);
                 initHub(hubName, function () {
                     //wait 2 seconds for hub before connecting
                     adapter.log.info('connecting to ' + hub.host_name);
@@ -187,7 +191,7 @@ function discoverStart() {
             // Triggered when a hub disappeared
             if (hub.host_name !== 'undefined' && hub.host_name !== undefined) {
                 adapter.log.warn('lost ' + hub.host_name);
-                var hubName = hub.host_name.replace(/[.\s]+/g, '_');
+                var hubName = fixId(hub.host_name.replace);
                 //stop reconnect timer
                 if (hubs[hubName]) {
                     clearTimeout(hubs[hubName].reconnectTimer);
@@ -442,7 +446,7 @@ function processConfig(hub, hubObj, config) {
     }
 
     config.activity.forEach(function (activity) {
-        var activityLabel = activity.label.replace(/[.\s]+/g, '_');
+        var activityLabel = fixId(activity.label);
         hubs[hub].activities[activity.id] = activityLabel;
         hubs[hub].activities_reverse[activityLabel] = activity.id;
         if (activity.id == '-1') return;
@@ -477,7 +481,7 @@ function processConfig(hub, hubObj, config) {
     adapter.log.debug('creating devices');
     channelName = hub;
     config.device.forEach(function (device) {
-        var deviceLabel = device.label.replace(/[.\s]+/g, '_');
+        var deviceLabel = fixId(device.label);
         var deviceChannelName = channelName + '.' + deviceLabel;
         var controlGroup = device.controlGroup;
         hubs[hub].devices[device.id] = deviceLabel;
@@ -499,7 +503,7 @@ function processConfig(hub, hubObj, config) {
                 controlGroup.function.forEach(function (command) {
                     command.controlGroup = groupName;
                     command.deviceId = device.id;
-                    var commandName = command.name.replace(/[.\s]+/g, '_');
+                    var commandName = fixId(command.name);
                     //create command
                     adapter.setObject(deviceChannelName + '.' + commandName, {
                         type: 'state',
@@ -587,7 +591,7 @@ function setStatusFromActivityID(hub, id, value) {
         adapter.log.warn('unknown activityId: ' + id);
         return;
     }
-    var channelName = hub + '.activities.' + hubs[hub].activities[id].replace(/[.\s]+/g, '_');
+    var channelName = fixId(hub + '.activities.' + hubs[hub].activities[id]);
     adapter.setState(channelName, {val: value, ack: true});
 }
 
diff --git a/io-package.json b/io-package.json
index 5f0f9c5..cb578a8 100644
--- a/io-package.json
+++ b/io-package.json
@@ -1,7 +1,7 @@
 {
   "common": {
     "name": "harmony",
-    "version": "0.9.0",
+    "version": "0.9.1",
     "title": "Logitech Harmony Adapter",
     "desc":                     {
             "en": "Control your harmony activities from ioBroker",
@@ -12,6 +12,11 @@
       "Pmant <patrickmo@gmx.de>"
     ],
     "news": {
+      "0.9.1": {
+        "en": "fix problematic chars",
+        "de": "Fix für problemantische Zeichen",
+        "ru": "fix problematic chars"
+      },   
       "0.7.1": {
         "en": "bug fixes",
         "de": "bug fixes",
diff --git a/package.json b/package.json
index 1d37093..5869233 100644
--- a/package.json
+++ b/package.json
@@ -1,15 +1,16 @@
 {
   "name": "iobroker.harmony",
-  "version": "0.9.0",
+  "version": "0.9.1",
   "description": "Control your harmony activities from ioBroker.",
   "author": "Pmant <patrickmo@gmx.de>",
-  "contributors": [
-  ],
+  "contributors": [],
   "homepage": "https://github.com/pmant/ioBroker.harmony",
   "license": "MIT",
   "keywords": [
     "ioBroker",
-    "harmony", "hub", "logitech",
+    "harmony",
+    "hub",
+    "logitech",
     "home automation"
   ],
   "repository": {
@@ -18,8 +19,8 @@
   },
   "dependencies": {
     "harmonyhubjs-client": "^1.1.10",
-    "harmonyhubjs-discover": "^1.0.2",
-    "semaphore": "~1.0.3" 
+    "harmonyhubjs-discover": "^1.1.1",
+    "semaphore": "~1.0.3"
   },
   "devDependencies": {
     "grunt": "^0.4.5",
diff --git a/tasks/jscs.js b/tasks/jscs.js
index 588b6f2..5d63426 100644
--- a/tasks/jscs.js
+++ b/tasks/jscs.js
@@ -1,14 +1,14 @@
-var srcDir   = __dirname + "/../";
+var srcDir   = __dirname + '/../';
 
 module.exports = {
     all: {
         src: [
-                srcDir + "*.js",
-                srcDir + "lib/*.js",
-                srcDir + "adapter/example/*.js",
-                srcDir + "tasks/**/*.js",
-                srcDir + "www/**/*.js",
-                '!' + srcDir + "www/lib/**/*.js",
+                srcDir + '*.js',
+                srcDir + 'lib/*.js',
+                srcDir + 'adapter/example/*.js',
+                srcDir + 'tasks/**/*.js',
+                srcDir + 'www/**/*.js',
+                '!' + srcDir + 'www/lib/**/*.js',
                 '!' + srcDir + 'node_modules/**/*.js',
                 '!' + srcDir + 'adapter/*/node_modules/**/*.js'
         ],
diff --git a/tasks/jshint.js b/tasks/jshint.js
index f823ebc..3a2ffe5 100644
--- a/tasks/jshint.js
+++ b/tasks/jshint.js
@@ -1,16 +1,16 @@
-var srcDir   = __dirname + "/../";
+var srcDir   = __dirname + '/../';
 
 module.exports = {
     options: {
         force: true
     },
     all: [
-        srcDir + "*.js",
-        srcDir + "lib/*.js",
-        srcDir + "adapter/example/*.js",
-        srcDir + "tasks/**/*.js",
-        srcDir + "www/**/*.js",
-        '!' + srcDir + "www/lib/**/*.js",
+        srcDir + '*.js',
+        srcDir + 'lib/*.js',
+        srcDir + 'adapter/example/*.js',
+        srcDir + 'tasks/**/*.js',
+        srcDir + 'www/**/*.js',
+        '!' + srcDir + 'www/lib/**/*.js',
         '!' + srcDir + 'node_modules/**/*.js',
         '!' + srcDir + 'adapter/*/node_modules/**/*.js'
     ]