diff --git a/lib/Cron/Workers/StatsNotifications/NewsletterLinkRepository.php b/lib/Cron/Workers/StatsNotifications/NewsletterLinkRepository.php
index ce53c19d4d..6b69da3052 100644
--- a/lib/Cron/Workers/StatsNotifications/NewsletterLinkRepository.php
+++ b/lib/Cron/Workers/StatsNotifications/NewsletterLinkRepository.php
@@ -16,12 +16,12 @@ class NewsletterLinkRepository extends Repository {
    */
   public function findTopLinkForNewsletter($newsletter_id) {
     return $this->doctrine_repository
-      ->createQueryBuilder('nlr')
-      ->join('nlr.clicks', 'c')
+      ->createQueryBuilder('nl')
+      ->join('nl.clicks', 'c')
       ->addSelect('COUNT(c.id) AS HIDDEN counter')
-      ->where('nlr.newsletter_id = :newsletterId')
+      ->where('nl.newsletter_id = :newsletterId')
       ->setParameter('newsletterId', $newsletter_id)
-      ->groupBy('nlr.id')
+      ->groupBy('nl.id')
       ->orderBy('counter', 'desc')
       ->setMaxResults(1)
       ->getQuery()
diff --git a/lib/Cron/Workers/StatsNotifications/StatsNotificationsRepository.php b/lib/Cron/Workers/StatsNotifications/StatsNotificationsRepository.php
index 808509c417..bbe727bd4a 100644
--- a/lib/Cron/Workers/StatsNotifications/StatsNotificationsRepository.php
+++ b/lib/Cron/Workers/StatsNotifications/StatsNotificationsRepository.php
@@ -19,8 +19,8 @@ class StatsNotificationsRepository extends Repository {
    */
   public function findByNewsletterId($newsletter_id) {
     return $this->doctrine_repository
-      ->createQueryBuilder('stn')
-      ->andWhere('stn.newsletter = :newsletterId')
+      ->createQueryBuilder('sn')
+      ->andWhere('sn.newsletter = :newsletterId')
       ->setParameter('newsletterId', $newsletter_id)
       ->setMaxResults(1)
       ->getQuery()
@@ -34,9 +34,9 @@ class StatsNotificationsRepository extends Repository {
   public function findScheduled($limit = null) {
     $date = new Carbon();
     $query = $this->doctrine_repository
-      ->createQueryBuilder('stn')
-      ->join('stn.task', 'tasks')
-      ->join('stn.newsletter', 'n')
+      ->createQueryBuilder('sn')
+      ->join('sn.task', 'tasks')
+      ->join('sn.newsletter', 'n')
       ->addSelect('tasks')
       ->addSelect('n')
       ->addOrderBy('tasks.priority')