GameJs
diff --git a/‎lib/gamejs/worker.js
+3-5 b/‎lib/gamejs/worker.js
+3-5
@@ -1,4 +1,5 @@
 var gamejs = require('gamejs');
+var uri = require('gamejs/utils/uri');
 
 /**
  * @fileoverview
@@ -98,10 +99,7 @@ var workerPrefix = function workerPrefix() {
  * @ignore
  **/
 var create = function(workerModuleId) {
-   // FIXME depends on 'index.html'
-   var idx = document.location.href.indexOf('index.html');
-   var docLoc = idx > -1 ? document.location.href.substr(0, idx) : document.location.href;
-   var moduleRoot = docLoc + window.require.getModuleRoot();
+   var moduleRoot = uri.resolve(document.location.href, window.require.getModuleRoot());
    var initialScripts = [];
    Array.prototype.slice.apply(document.getElementsByTagName('script'), [0]).forEach(function(script) {
       if (script.src) {
@@ -135,7 +133,7 @@ var create = function(workerModuleId) {
  * GameJs modules.
  *
  * **Note:** A Worker does not have access to the browser's `document`. So
- * a lot of GameJs modules - everything related to drawing to the canvas - 
+ * a lot of GameJs modules - everything related to drawing to the canvas -
  * do not work in the Worker.
  *
  * You can use `gamejs.time.*`, `gamejs.utils.*`, `gamejs.event.*` and probably others