diff --git a/src/Resources/views/Generator/TopRepositoryTemplate.html.twig b/src/Resources/views/Generator/TopRepositoryTemplate.html.twig
index 50e0f32..dee29a4 100644
--- a/src/Resources/views/Generator/TopRepositoryTemplate.html.twig
+++ b/src/Resources/views/Generator/TopRepositoryTemplate.html.twig
@@ -15,12 +15,14 @@ use Doctrine\Persistence\ManagerRegistry;
 use Symfony\Component\Uid\Uuid;
 use Symfony\Contracts\Cache\CacheInterface;
 use Symfony\Contracts\Cache\ItemInterface;
+use Tbn\QueryBuilderRepositoryGeneratorBundle\Interface\FilterByInterface;
+use Tbn\QueryBuilderRepositoryGeneratorBundle\Interface\FilterInInterface;
 
 /**
  * Generated class for filter query builders
  *
  */
-class {{ entityClassname }}Base extends {{ extendClass }}
+class {{ entityClassname }}Base extends {{ extendClass }} implements FilterByInterface, FilterInInterface
 {
     const NAME = '{{ entityDql }}';
     protected static $parameterIndex = 0;
diff --git a/tests/Repository/MyClassRepositoryBase.php b/tests/Repository/MyClassRepositoryBase.php
index 878f3d5..d40db2b 100644
--- a/tests/Repository/MyClassRepositoryBase.php
+++ b/tests/Repository/MyClassRepositoryBase.php
@@ -15,12 +15,14 @@
 use Symfony\Component\Uid\Uuid;
 use Symfony\Contracts\Cache\CacheInterface;
 use Symfony\Contracts\Cache\ItemInterface;
+use Tbn\QueryBuilderRepositoryGeneratorBundle\Interface\FilterByInterface;
+use Tbn\QueryBuilderRepositoryGeneratorBundle\Interface\FilterInInterface;
 
 /**
  * Generated class for filter query builders
  *
  */
-class MyClassRepositoryBase extends \Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository
+class MyClassRepositoryBase extends \Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository implements FilterByInterface, FilterInInterface
 {
     const NAME = 'myClass';
     protected static $parameterIndex = 0;
diff --git a/tests/Service/ExpectedMyClassRepositoryBase.txt b/tests/Service/ExpectedMyClassRepositoryBase.txt
index 878f3d5..d40db2b 100644
--- a/tests/Service/ExpectedMyClassRepositoryBase.txt
+++ b/tests/Service/ExpectedMyClassRepositoryBase.txt
@@ -15,12 +15,14 @@ use Doctrine\Persistence\ManagerRegistry;
 use Symfony\Component\Uid\Uuid;
 use Symfony\Contracts\Cache\CacheInterface;
 use Symfony\Contracts\Cache\ItemInterface;
+use Tbn\QueryBuilderRepositoryGeneratorBundle\Interface\FilterByInterface;
+use Tbn\QueryBuilderRepositoryGeneratorBundle\Interface\FilterInInterface;
 
 /**
  * Generated class for filter query builders
  *
  */
-class MyClassRepositoryBase extends \Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository
+class MyClassRepositoryBase extends \Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository implements FilterByInterface, FilterInInterface
 {
     const NAME = 'myClass';
     protected static $parameterIndex = 0;