diff --git a/EventListener/RequestListener.php b/EventListener/RequestListener.php
index 9c82869..300ab89 100644
--- a/EventListener/RequestListener.php
+++ b/EventListener/RequestListener.php
@@ -14,6 +14,8 @@
 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
 use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
 use Symfony\Component\DependencyInjection\Container;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\Routing\Route;
 
 /**
  * Request listener
@@ -67,6 +69,10 @@ public function __construct(Container $serviceContainer, array $redirectConf,  $
      */
     public function handleRequest(GetResponseEvent $event)
     {
+        // only handle master request, do not handle sub request like esi includes
+        if ($event->getRequestType() !== HttpKernelInterface::MASTER_REQUEST) {
+            return;
+        }
 
         // Sets the flag for the response handled by the GET switch param and the type of the view.
         if ($this->deviceView->hasSwitchParam()) {
@@ -321,6 +327,7 @@ private function getRedirectUrl($platform)
      */
     private function getRoutingOption($name)
     {
+        $option = null;
         $route = $this
                     ->container
                     ->get('router')
@@ -328,7 +335,9 @@ private function getRoutingOption($name)
                     ->get($this->container->get('request')->get('_route'))
                 ;
 
-        $option = $route->getOption($name);
+        if ($route instanceof Route) {
+            $option = $route->getOption($name);
+        }
 
         if (!$option) {
             $option = $this->redirectConf[$name]['action'];
@@ -338,7 +347,7 @@ private function getRoutingOption($name)
             return $option;
         }
 
-        return false;
+        return null;
     }
 
     /**
diff --git a/Resources/config/services.yml b/Resources/config/services.yml
index 9f142b6..d8a820b 100644
--- a/Resources/config/services.yml
+++ b/Resources/config/services.yml
@@ -17,7 +17,8 @@ services:
         class: %mobile_detect.request_listener.class%
         arguments: [ '@service_container', %mobile_detect.redirect%, %mobile_detect.switch_device_view.save_referer_path% ]
         tags:
-            - { name: kernel.event_listener, event: kernel.request, method: handleRequest }
+            # must be registered after the Router to have access to the _route, and after the Symfony LocaleListener
+            - { name: kernel.event_listener, event: kernel.request, method: handleRequest, priority: 1 }
             - { name: kernel.event_listener, event: kernel.response, method: handleResponse }
     mobile_detect.twig.extension:
       class: %mobile_detect.twig.extension.class%