diff --git a/lib/ace/worker/worker_client.js b/lib/ace/worker/worker_client.js
index 525e8add..f024b274 100644
--- a/lib/ace/worker/worker_client.js
+++ b/lib/ace/worker/worker_client.js
@@ -104,7 +104,7 @@ var WorkerClient = function(topLevelNamespaces, packagedJs, module, classname) {
 
     this.$normalizePath = function(path) {
         if (!path.match(/^\w+:/))
-            path = location.protocol + "//" + location.host + location.pathname.replace(/\/.*?$/, "") + "/" + path.replace(/^\//, "");
+            path = location.protocol + "//" + location.host + location.pathname.replace(/\/[^\/]*$/, "") + "/" + path.replace(/^\//, "");
         return path;
     };