diff --git a/core/lib/Thelia/Model/NewsletterQuery.php b/core/lib/Thelia/Model/NewsletterQuery.php
index 26b4d2614..d1577b73f 100644
--- a/core/lib/Thelia/Model/NewsletterQuery.php
+++ b/core/lib/Thelia/Model/NewsletterQuery.php
@@ -17,5 +17,8 @@ use Thelia\Model\Base\NewsletterQuery as BaseNewsletterQuery;
  */
 class NewsletterQuery extends BaseNewsletterQuery
 {
-
+    public static function isSubscribed($email)
+    {
+        return (null === self::create()->findOneByEmail($email)) ? false : true;
+    }
 } // NewsletterQuery