diff --git a/DependencyInjection/AhcTwigSeoExtension.php b/DependencyInjection/AhcTwigSeoExtension.php
index b11bb43..c655164 100644
--- a/DependencyInjection/AhcTwigSeoExtension.php
+++ b/DependencyInjection/AhcTwigSeoExtension.php
@@ -6,9 +6,11 @@
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Extension\Extension;
 use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
+use Symfony\Component\Yaml\Yaml;
 
 
-class AhcTwigSeoExtension extends Extension
+class AhcTwigSeoExtension extends Extension implements PrependExtensionInterface
 {
     public function load(array $configs, ContainerBuilder $container)
     {
@@ -16,8 +18,14 @@ public function load(array $configs, ContainerBuilder $container)
 
         $loader = new YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.yaml');
-        $loader->load('ahc_twig_seo.yaml');
 
         $container->setParameter('ahc_twig_seo_config', $config);
     }
+
+    public function prepend(ContainerBuilder $container)
+    {
+        $config = Yaml::parseFile(__DIR__.'/../Resources/config/ahc_twig_seo.yaml');
+
+        $container->prependExtensionConfig('ahc_twig_seo', $config['ahc_twig_seo']);
+    }
 }
\ No newline at end of file