diff --git a/classes/LocaleManager.php b/classes/LocaleManager.php
index af714ba..c2bbc14 100644
--- a/classes/LocaleManager.php
+++ b/classes/LocaleManager.php
@@ -6,7 +6,6 @@
 namespace Alltube;
 
 use Aura\Session\Segment;
-use Aura\Session\SessionFactory;
 use Symfony\Component\Process\Process;
 
 /**
@@ -37,13 +36,10 @@ class LocaleManager
 
     /**
      * LocaleManager constructor.
-     *
-     * @param array $cookies Cookie array
      */
-    public function __construct(array $cookies = [])
+    public function __construct()
     {
-        $session_factory = new SessionFactory();
-        $session = $session_factory->newInstance($cookies);
+        $session = SessionManager::getSession();
         $this->sessionSegment = $session->getSegment(self::class);
         $cookieLocale = $this->sessionSegment->get('locale');
         if (isset($cookieLocale)) {
diff --git a/classes/SessionManager.php b/classes/SessionManager.php
new file mode 100644
index 0000000..b461fa3
--- /dev/null
+++ b/classes/SessionManager.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * SessionManager class.
+ */
+
+namespace Alltube;
+
+use Aura\Session\Session;
+use Aura\Session\SessionFactory;
+
+/**
+ * Manage sessions.
+ */
+class SessionManager
+{
+
+    /**
+     * Current session.
+     *
+     * @var Session
+     */
+    private static $session;
+
+    /**
+     * Get the current session.
+     *
+     * @return Session
+     */
+    public static function getSession()
+    {
+        if (!isset(self::$session)) {
+            $session_factory = new SessionFactory();
+            self::$session = $session_factory->newInstance($_COOKIE);
+        }
+        return self::$session;
+    }
+}
diff --git a/controllers/BaseController.php b/controllers/BaseController.php
index 5af14bf..a51eaa2 100644
--- a/controllers/BaseController.php
+++ b/controllers/BaseController.php
@@ -6,9 +6,9 @@
 namespace Alltube\Controller;
 
 use Alltube\Config;
+use Alltube\SessionManager;
 use Alltube\Video;
 use Aura\Session\Segment;
-use Aura\Session\SessionFactory;
 use Psr\Container\ContainerInterface;
 use Slim\Http\Request;
 use Slim\Http\Response;
@@ -57,14 +57,12 @@ abstract class BaseController
      * BaseController constructor.
      *
      * @param ContainerInterface $container Slim dependency container
-     * @param array              $cookies   Cookie array
      */
-    public function __construct(ContainerInterface $container, array $cookies = [])
+    public function __construct(ContainerInterface $container)
     {
         $this->config = Config::getInstance();
         $this->container = $container;
-        $session_factory = new SessionFactory();
-        $session = $session_factory->newInstance($cookies);
+        $session = SessionManager::getSession();
         $this->sessionSegment = $session->getSegment(self::class);
 
         if ($this->config->stream) {
diff --git a/controllers/FrontController.php b/controllers/FrontController.php
index 7a46b7f..c577a7d 100644
--- a/controllers/FrontController.php
+++ b/controllers/FrontController.php
@@ -42,11 +42,10 @@ class FrontController extends BaseController
      * BaseController constructor.
      *
      * @param ContainerInterface $container Slim dependency container
-     * @param array              $cookies   Cookie array
      */
-    public function __construct(ContainerInterface $container, array $cookies = [])
+    public function __construct(ContainerInterface $container)
     {
-        parent::__construct($container, $cookies);
+        parent::__construct($container);
 
         $this->localeManager = $this->container->get('locale');
         $this->view = $this->container->get('view');
diff --git a/index.php b/index.php
index 9e62d10..4b46f74 100644
--- a/index.php
+++ b/index.php
@@ -31,12 +31,12 @@ $container['view'] = ViewFactory::create($container);
 if (!class_exists('Locale')) {
     die('You need to install the intl extension for PHP.');
 }
-$container['locale'] = new LocaleManager($_COOKIE);
+$container['locale'] = new LocaleManager();
 $app->add(new LocaleMiddleware($container));
 
-$frontController = new FrontController($container, $_COOKIE);
-$jsonController = new JsonController($container, $_COOKIE);
-$downloadController = new DownloadController($container, $_COOKIE);
+$frontController = new FrontController($container);
+$jsonController = new JsonController($container);
+$downloadController = new DownloadController($container);
 
 $container['errorHandler'] = [$jsonController, 'error'];