diff --git a/src/Controller/TaskController.php b/src/Controller/TaskController.php
index 348c5fe..913de16 100644
--- a/src/Controller/TaskController.php
+++ b/src/Controller/TaskController.php
@@ -107,4 +107,4 @@ class TaskController extends SimpleController
             'tasks' => $tasks
         ]);
     }
-}
+}
\ No newline at end of file
diff --git a/src/ServicesProvider/ServicesProvider.php b/src/ServicesProvider/ServicesProvider.php
index c999de6..71cd22e 100644
--- a/src/ServicesProvider/ServicesProvider.php
+++ b/src/ServicesProvider/ServicesProvider.php
@@ -50,7 +50,9 @@ class ServicesProvider
         $container->extend('view', function ($view, $c) {
             $twig = $view->getEnvironment();
 
-            $twig->addExtension(new IntlExtension());
+            if (!$twig->hasExtension('Twig\Extra\Intl\IntlExtension')) {
+                $twig->addExtension(new IntlExtension());
+            }
             $twig->addExtension(new FormatCronExtension($c));
 
             return $view;