diff --git a/composer.json b/composer.json
index 612d209..9e4892c 100644
--- a/composer.json
+++ b/composer.json
@@ -22,6 +22,7 @@
         "behat/mink-extension": "^2.2",
         "friends-of-behat/cross-container-extension": "^1.0",
         "friends-of-behat/test-context": "^1.0",
+        "sylius-labs/coding-standard": "^2.0",
         "symfony/framework-bundle": "^3.4|^4.0"
     },
     "suggest": {
diff --git a/easy-coding-standard.yml b/easy-coding-standard.yml
new file mode 100644
index 0000000..2403599
--- /dev/null
+++ b/easy-coding-standard.yml
@@ -0,0 +1,2 @@
+imports:
+    - { resource: 'vendor/sylius-labs/coding-standard/easy-coding-standard.yml' }
diff --git a/src/ServiceContainer/SymfonyExtension.php b/src/ServiceContainer/SymfonyExtension.php
index 2e27fbd..f596a8b 100644
--- a/src/ServiceContainer/SymfonyExtension.php
+++ b/src/ServiceContainer/SymfonyExtension.php
@@ -157,10 +157,10 @@ final class SymfonyExtension implements Extension
      */
     private function loadKernel(ContainerBuilder $container, array $config): void
     {
-        $definition = new Definition($config['class'], array(
+        $definition = new Definition($config['class'], [
             $config['env'],
             $config['debug'],
-        ));
+        ]);
         $definition->addMethodCall('boot');
         $definition->setFile($this->getKernelFile($container->getParameter('paths.base'), $config['path']));
         $definition->setPublic(true);