diff --git a/tests/Bootstrap.php b/tests/Bootstrap.php
index 02e6f321..baf22860 100644
--- a/tests/Bootstrap.php
+++ b/tests/Bootstrap.php
@@ -6,17 +6,23 @@
 /*
  * Smarty PHPUnit Bootstrap
  */
-// Locate SmartyBC class and load it
+// Locate Autoloader or SmartyBC class and load it
 if (is_file(__DIR__ . '/../smarty/libs/Autoloader.php')) {
     require_once __DIR__ . '/../smarty/libs/Autoloader.php';
+    Smarty_Autoloader::register(true);
 } elseif (is_file(__DIR__ . '/../libs/Autoloader.php')) {
     require_once __DIR__ . '/../libs/Autoloader.php';
+    Smarty_Autoloader::register(true);
+} elseif (is_file(__DIR__ . '/../smarty/libs/SmartyBC.class.php')) {
+    require_once __DIR__ . '/../smarty/libs/SmartyBC.class.php';
+} elseif (is_file(__DIR__ . '/../libs/SmartyBC.class.php')) {
+    require_once __DIR__ . '/../libs/SmartyBC.class.php';
 } else {
     throw new Exception('can not locate Smarty distribution');
 }
-Smarty_Autoloader::register(true);
 if (!defined('SMARTY_COMPOSER_INSTALL')) {
-    foreach (array(__DIR__ . '/../../autoload.php', __DIR__ . '/../vendor/autoload.php', __DIR__ . '/vendor/autoload.php') as $file) {
+    foreach (array(__DIR__ . '/../../autoload.php', __DIR__ . '/../vendor/autoload.php',
+                 __DIR__ . '/vendor/autoload.php') as $file) {
         if (file_exists($file)) {
             define('SMARTY_COMPOSER_INSTALL', $file);
             break;