diff --git a/core/lib/Thelia/Model/Category.php b/core/lib/Thelia/Model/Category.php
index 26343142e..a3ad2ce77 100755
--- a/core/lib/Thelia/Model/Category.php
+++ b/core/lib/Thelia/Model/Category.php
@@ -2,6 +2,7 @@
 
 namespace Thelia\Model;
 
+use Thelia\Core\Event\CategoryEvent;
 use Thelia\Model\Base\Category as BaseCategory;
 use Propel\Runtime\ActiveQuery\Criteria;
 use Thelia\Tools\URL;