diff --git a/mozilla/toolkit/components/filepicker/content/filepicker.js b/mozilla/toolkit/components/filepicker/content/filepicker.js
index 8353d5fe2da..a71b80ded22 100644
--- a/mozilla/toolkit/components/filepicker/content/filepicker.js
+++ b/mozilla/toolkit/components/filepicker/content/filepicker.js
@@ -244,10 +244,10 @@ function selectOnOK()
   if (allowURLs) {
     try {
       var ios = Components.classes[NS_IOSERVICE_CONTRACTID].getService(Components.interfaces.nsIIOService);
-      retvals.fileURL = ios.newURI(textInput.value, '', null);
+      retvals.fileURL = ios.newURI(textInput.value, null, null);
       var fileList = [];
       if (retvals.fileURL instanceof Components.interfaces.nsIFileURL)
-        fileList.push(retvals.fileURL.nsIFileURL.file);
+        fileList.push(retvals.fileURL.file);
       gFilesEnumerator.mFiles = fileList;
       retvals.files = gFilesEnumerator;
       retvals.buttonStatus = ret;