diff --git a/config/packages/doctrine.yaml b/config/packages/doctrine.yaml
deleted file mode 100644
index 8bd8ffd..0000000
--- a/config/packages/doctrine.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
-doctrine:
-    orm:
-        dql:
-            string_functions:
-                match: DoctrineExtensions\Query\Mysql\MatchAgainst
diff --git a/src/DependencyInjection/PcmSearchExtension.php b/src/DependencyInjection/PcmSearchExtension.php
index f9721fe..ba9215a 100644
--- a/src/DependencyInjection/PcmSearchExtension.php
+++ b/src/DependencyInjection/PcmSearchExtension.php
@@ -6,11 +6,28 @@ namespace Pcm\SearchBundle\DependencyInjection;
 
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
 
-class PcmSearchExtension extends Extension
+class PcmSearchExtension extends Extension implements PrependExtensionInterface
 {
+    public function prepend(ContainerBuilder $container)
+    {
+        $container->loadFromExtension(
+            'doctrine',
+            [
+                'orm' => [
+                    'dql' => [
+                        'string_functions' => [
+                            'match' => 'DoctrineExtensions\Query\Mysql\MatchAgainst'
+                        ]
+                    ]
+                ]
+            ]
+        );
+    }
+
     public function load(array $configs, ContainerBuilder $container)
     {
         $loader = new YamlFileLoader(
@@ -18,6 +35,5 @@ class PcmSearchExtension extends Extension
             new FileLocator(__DIR__.'/../../config')
         );
         $loader->load('services.yaml');
-        $loader->load('packages/doctrine.yaml');
     }
 }