diff --git a/README.md b/README.md
index 49da932..917c85e 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,9 @@
 ReconnectingWebSocket
 =====================
+****
+**Major notice, this is a library developed by Joe Walnes, I have made a small change
+to the implementations: see [pull request](https://github.com/joewalnes/reconnecting-websocket/pull/76). I have decided to publish this to npm so that I can use it with yarn. **
+****
 
 A small JavaScript library that decorates the WebSocket API to provide a WebSocket connection that will automatically reconnect if the connection is dropped.
 
diff --git a/package.json b/package.json
index d520927..285077c 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,9 @@
     "url": "git://github.com/joewalnes/reconnecting-websocket.git"
   },
   "author": "Joe Walnes",
+  "contributors": [
+    { "name" : "Jóhan Davidsen", "email" : "johan.davidsen@fjakkarin.com", "url" : "https://fjakkarin.com" }
+  ],
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/joewalnes/reconnecting-websocket/issues"
diff --git a/reconnecting-websocket.js b/reconnecting-websocket.js
index 0cd4332..f70c7bb 100644
--- a/reconnecting-websocket.js
+++ b/reconnecting-websocket.js
@@ -102,7 +102,7 @@
     }
 })(this, function () {
 
-    if (!('WebSocket' in window)) {
+    if (!global.window || !('WebSocket' in global.window)) {
         return;
     }