diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 6cd1e5c8..3574dcf0 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -79,7 +79,7 @@ if (!defined('SMARTY_RESOURCE_DATE_FORMAT')) {
  */
 if (!class_exists('Smarty_Autoloader', false)) {
     if (!class_exists('Smarty_Internal_Data', true)) {
-        require_once 'Autoloader.php';
+        require_once dirname(__FILE__) . '/Autoloader.php';
         Smarty_Autoloader::registerBC();
     }
 }