diff --git a/lib/ace/worker/worker_client.js b/lib/ace/worker/worker_client.js
index f441ce44..7d8034b7 100644
--- a/lib/ace/worker/worker_client.js
+++ b/lib/ace/worker/worker_client.js
@@ -56,7 +56,7 @@ var WorkerClient = function(topLevelNamespaces, packagedJs, module, classname) {
         for (var i=0; i<topLevelNamespaces.length; i++) {
             var ns = topLevelNamespaces[i];
             var path = this.$normalizePath(require.nameToUrl(ns, null, "_").replace(/.js$/, ""));
-                
+
             tlns[ns] = path;
         }
     }
@@ -104,7 +104,7 @@ var WorkerClient = function(topLevelNamespaces, packagedJs, module, classname) {
 
     this.$normalizePath = function(path) {
         if (!path.match(/^\w+:/))
-            path = location.protocol + "//" + location.host + location.pathname + "/" + path;
+            path = location.protocol + "//" + location.host + location.pathname.replace(/\/.*?$/, "/") + "/" + path;
         return path;
     };