diff --git a/src/DependencyInjection/SubugoeFindExtension.php b/src/DependencyInjection/SubugoeFindExtension.php
index 98aad2a..b972dab 100644
--- a/src/DependencyInjection/SubugoeFindExtension.php
+++ b/src/DependencyInjection/SubugoeFindExtension.php
@@ -32,7 +32,7 @@ public function load(array $configs, ContainerBuilder $container)
         $container->setParameter('feed_rows', $config['feed_rows']);
         $container->setParameter('feed_fields', $config['feed_fields']);
         $container->setParameter('feed_category', $config['feed_category']);
-        $container->setParameter('snippet', $config['snippet']);
+        $container->setParameter('snippet', $config['snippet'] ?? '');
 
         $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.yml');