diff --git a/lib/ace/worker/worker_client.js b/lib/ace/worker/worker_client.js
index 57564173..23a21e9d 100644
--- a/lib/ace/worker/worker_client.js
+++ b/lib/ace/worker/worker_client.js
@@ -73,6 +73,9 @@ var WorkerClient = function(topLevelNamespaces, packagedJs, module, classname) {
     oop.implement(this, EventEmitter);
 
     this.$guessBasePath = function() {
+        if (require.aceBaseUrl)
+            return require.aceBaseUrl;
+        
         var scripts = document.getElementsByTagName("script");
         for (var i=0; i<scripts.length; i++) {
             var src = scripts[i].src || scripts[i].getAttribute("src");