diff --git a/core/core.services.yml b/core/core.services.yml
index c784578..6721015 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -174,7 +174,7 @@ services:
     arguments: ['@container.namespaces', '@controller_resolver', '@request', '@module_handler']
   plugin.manager.menu.local_task:
     class: Drupal\Core\Menu\LocalTaskManager
-    arguments: ['@container.namespaces', '@controller_resolver', '@request', '@router.route_provider', '@module_handler', '@cache.cache']
+    arguments: ['@container.namespaces', '@controller_resolver', '@request', '@router.route_provider', '@module_handler', '@cache.cache', '@language_manager']
   request:
     class: Symfony\Component\HttpFoundation\Request
     # @TODO the synthetic setting must be uncommented whenever drupal_session_initialize()
diff --git a/core/lib/Drupal/Core/Menu/LocalTaskManager.php b/core/lib/Drupal/Core/Menu/LocalTaskManager.php
index 8237a20..42ddbe0 100644
--- a/core/lib/Drupal/Core/Menu/LocalTaskManager.php
+++ b/core/lib/Drupal/Core/Menu/LocalTaskManager.php
@@ -9,6 +9,7 @@
 
 use Drupal\Core\Cache\CacheBackendInterface;
 use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Language\LanguageManager;
 use Drupal\Core\Plugin\DefaultPluginManager;
 use Drupal\Core\Routing\RouteProviderInterface;
 use Symfony\Component\HttpFoundation\Request;
@@ -52,13 +53,6 @@ class LocalTaskManager extends DefaultPluginManager {
   protected $routeProvider;
 
   /**
-   * The cache backend.
-   *
-   * @var \Drupal\Core\Cache\CacheBackendInterface
-   */
-  protected $cache;
-
-  /**
    * Constructs a \Drupal\Core\Menu\LocalTaskManager object.
    *
    * @param \Traversable $namespaces
@@ -74,14 +68,16 @@ class LocalTaskManager extends DefaultPluginManager {
    *   The module handler.u
    * @param \Drupal\Core\Cache\CacheBackendInterface $cache
    *   The cache backend.
+   * @param \Drupal\Core\Language\LanguageManager $language_manager
    */
-  public function __construct(\Traversable $namespaces, ControllerResolverInterface $controller_resolver, Request $request, RouteProviderInterface $route_provider, ModuleHandlerInterface $module_handler, CacheBackendInterface $cache) {
+  public function __construct(\Traversable $namespaces, ControllerResolverInterface $controller_resolver, Request $request, RouteProviderInterface $route_provider, ModuleHandlerInterface $module_handler, CacheBackendInterface $cache, LanguageManager $language_manager) {
     parent::__construct('Menu\LocalTask', $namespaces, array(), 'Drupal\Core\Annotation\Menu\LocalTask');
     $this->controllerResolver = $controller_resolver;
     $this->request = $request;
     $this->routeProvider = $route_provider;
     $this->alterInfo($module_handler, 'local_tasks');
-    $this->cache = $cache;
+
+    $this->setCacheBackend($cache, $language_manager, 'local_task');
   }
 
   /**
@@ -130,7 +126,7 @@ public function getLocalTasksForRoute($route_name) {
     if (!isset($this->instances[$route_name])) {
       $this->instances[$route_name] = array();
 
-      if ($cache = $this->cache->get('local_task:' . $route_name)) {
+      if ($cache = $this->cacheBackend->get('local_task:' . $route_name)) {
         $this->instances[$route_name] = $cache->data;
       }
       else {
@@ -193,7 +189,7 @@ public function getLocalTasksForRoute($route_name) {
           }
         }
 
-        $this->cache->set('local_task:' . $route_name, $this->instances[$route_name]);
+        $this->cacheBackend->set('local_task:' . $route_name, $this->instances[$route_name], CacheBackendInterface::CACHE_PERMANENT, array('local_task'));
       }
     }
     return $this->instances[$route_name];