diff --git a/README.md b/README.md
index 9b0bfae2..c28e4a58 100755
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ This adapter cannot be installed directly from github. Only from npm.
 
 ## Changelog
 
-### 0.3.6 (2020-02-09)
+### 0.4.1 (2020-02-10)
 * (Apollon77) compatibility to web 3.0
 
 ### 0.3.5 (2019-04-15)
diff --git a/io-package.json b/io-package.json
index ea18b676..8157231a 100644
--- a/io-package.json
+++ b/io-package.json
@@ -1,9 +1,9 @@
 {
     "common": {
         "name": "habpanel",
-        "version": "0.4.0",
+        "version": "0.4.1",
         "news": {
-            "0.4.0": {
+            "0.4.1": {
                 "en": "compatibility with Web >= 3.0.0 added",
                 "de": "Kompatibilität mit Web >= 3.0.0 hinzugefügt",
                 "ru": "добавлена совместимость с Web >= 3.0.0",
diff --git a/package.json b/package.json
index ecfada06..c4f462e3 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "iobroker.habpanel",
   "description": "Dashboard based on HABPanel",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "author": {
     "name": "Yannick Schaus",
     "email": "habpanel@schaus.net"
diff --git a/src/vendor/conn.js b/src/vendor/conn.js
index 378b4b2d..4fb7d623 100644
--- a/src/vendor/conn.js
+++ b/src/vendor/conn.js
@@ -224,10 +224,10 @@ var servConn = {
             if (connLink) {
                 url = connLink;
                 if (typeof connLink !== 'undefined') {
-                    if (connLink[0] === ':') connLink = location.protocol + '//' + location.hostname + connLink;
+                    if (connLink[0] === ':') connLink = window.location.protocol + '//' + window.location.hostname + connLink;
                 }
             } else {
-                url = location.protocol + '//' + location.host;
+                url = window.location.protocol + '//' + window.location.host;
             }
 
             this._socket = io.connect(url, {