diff --git a/src/Bundle/ChillAsideActivityBundle/src/Form/AsideActivityCategoryType.php b/src/Bundle/ChillAsideActivityBundle/src/Form/AsideActivityCategoryType.php
index 16657e18e..1bfc6ed37 100644
--- a/src/Bundle/ChillAsideActivityBundle/src/Form/AsideActivityCategoryType.php
+++ b/src/Bundle/ChillAsideActivityBundle/src/Form/AsideActivityCategoryType.php
@@ -9,7 +9,7 @@ use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 
 use Symfony\Component\Form\FormBuilderInterface;
 
-class AsideActivityCategoryType extends AbstractType
+final class AsideActivityCategoryType extends AbstractType
 {
     public function buildForm(FormBuilderInterface $builder, array $options)
     {