diff --git a/Bootstraps/Symfony.php b/Bootstraps/Symfony.php
index cf83321..748e696 100644
--- a/Bootstraps/Symfony.php
+++ b/Bootstraps/Symfony.php
@@ -150,7 +150,7 @@ public function postHandle($app)
 
         //Symfony\Bundle\TwigBundle\Loader\FilesystemLoader
         //->Twig_Loader_Filesystem
-        if ($container->has('twig.loader')) {
+        if ($this->debug && $container->has('twig.loader')) {
             $twigLoader = $container->get('twig.loader');
             Utils::bindAndCall(function () use ($twigLoader) {
                 foreach ($twigLoader->cache as $path) {