diff --git a/page_manager.services.yml b/page_manager.services.yml
index 359b18f..ee637e4 100644
--- a/page_manager.services.yml
+++ b/page_manager.services.yml
@@ -21,7 +21,7 @@ services:
       - { name: 'event_subscriber' }
   page_manager.variant_route_filter:
     class: Drupal\page_manager\Routing\VariantRouteFilter
-    arguments: ['@entity.manager']
+    arguments: ['@entity.manager', '@router.matcher.final_matcher', '@paramconverter_manager']
     tags:
       - { name: route_filter }
   page_manager.executable_factory:
diff --git a/src/Routing/VariantRouteFilter.php b/src/Routing/VariantRouteFilter.php
index dd06a23..12a8c0a 100644
--- a/src/Routing/VariantRouteFilter.php
+++ b/src/Routing/VariantRouteFilter.php
@@ -9,7 +9,9 @@
 
 use Drupal\Core\Display\ContextAwareVariantInterface;
 use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\ParamConverter\ParamConverterManagerInterface;
 use Drupal\Core\Routing\RouteFilterInterface;
+use Symfony\Cmf\Component\Routing\NestedMatcher\FinalMatcherInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Routing\Route;
 use Symfony\Component\Routing\RouteCollection;
@@ -25,10 +27,24 @@ class VariantRouteFilter implements RouteFilterInterface {
   protected $pageStorage;
 
   /**
-   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   * @var \Symfony\Cmf\Component\Routing\NestedMatcher\FinalMatcherInterface
    */
-  public function __construct(EntityManagerInterface $entity_manager) {
+  protected $finalMatcher;
+
+  /**
+   * @var \Drupal\Core\ParamConverter\ParamConverterManagerInterface
+   */
+  protected $paramConverterManager;
+
+  /**
+   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   * @param \Symfony\Cmf\Component\Routing\NestedMatcher\FinalMatcherInterface $final_matcher
+   * @param \Drupal\Core\ParamConverter\ParamConverterManagerInterface $param_converter_manager
+   */
+  public function __construct(EntityManagerInterface $entity_manager, FinalMatcherInterface $final_matcher, ParamConverterManagerInterface $param_converter_manager) {
     $this->pageStorage = $entity_manager->getStorage('page');
+    $this->finalMatcher = $final_matcher;
+    $this->paramConverterManager = $param_converter_manager;
   }
 
   /**
@@ -45,6 +61,9 @@ public function applies(Route $route) {
   public function filter(RouteCollection $collection, Request $request) {
     $new_collection = NULL;
     $page = NULL;
+
+    $this->prepareRequest($collection, $request);
+
     foreach ($collection as $name => $route) {
       /** @var \Symfony\Component\Routing\Route $route */
       $defaults = $route->getDefaults();
@@ -71,4 +90,13 @@ public function filter(RouteCollection $collection, Request $request) {
     return $new_collection ?: $collection;
   }
 
+  /**
+   * @todo.
+   */
+  protected function prepareRequest(RouteCollection $collection, Request $request) {
+    $attributes = $this->finalMatcher->finalMatch($collection, $request);
+    $attributes = $this->paramConverterManager->convert($attributes);
+    $request->attributes->add($attributes);
+  }
+
 }