diff --git a/src/Api/ScoreControllerProvider.php b/src/Api/ScoreControllerProvider.php
index b691ace..df630dd 100644
--- a/src/Api/ScoreControllerProvider.php
+++ b/src/Api/ScoreControllerProvider.php
@@ -51,7 +51,7 @@ class ScoreControllerProvider implements ControllerProviderInterface
                 return new CustomJsonResponse(['message' => 'Game not found'], function($data) use ($app){return $app['serializer']->serialize($data, 'json');}, 404);
             }
 
-            return new CustomJsonResponse($game, function($data) use ($app){return $app['serializer']->serialize($data, 'json');}, 200);
+            return new CustomJsonResponse($game, $app['serializer.json'], 200);
         })
         ->bind('game')
         ->convert('game', function($game, Request $request) use ($app){ return $app['entity.manager']->getRepository(Models\Game::class)->find($request->attributes->get('gameId'));});
diff --git a/www/index.php b/www/index.php
index c4274c2..3d0df38 100644
--- a/www/index.php
+++ b/www/index.php
@@ -42,6 +42,11 @@ $app['users'] = function () use ($eh) {
 $app['serializer'] = function () use ($eh) {
     return JMS\Serializer\SerializerBuilder::create()->build();
 };
+$app['serializer.json'] = function () use ($app) {
+	return function($data) use ($app) {
+		return $app['serializer']->serialize($data, 'json');
+	};
+};
 
 $app['security.firewalls'] = array(
     'login' => [