--- xulrunner/setup/nsXULAppInstall.js.orig	Wed Aug 15 07:48:39 2012
+++ xulrunner/setup/nsXULAppInstall.js	Sun Aug 19 13:50:41 2012
@@ -210,7 +210,7 @@ AppInstall.prototype = {
 #else
       aDirectory = Components.classes["@mozilla.org/file/local;1"].
         createInstance(nsILocalFile);
-      aDirectory.initWithPath("/usr/local/lib");
+      aDirectory.initWithPath("${LOCALBASE}/lib/xulrunner-2.0");
       if (vendor)
         aDirectory.append(vendor.toLowerCase());
 #endif
