diff --git a/src/Bundle/ChillCalendarBundle/Export/Export/CountAppointments.php b/src/Bundle/ChillCalendarBundle/Export/Export/CountAppointments.php
index c4531a298..d212a58f1 100644
--- a/src/Bundle/ChillCalendarBundle/Export/Export/CountAppointments.php
+++ b/src/Bundle/ChillCalendarBundle/Export/Export/CountAppointments.php
@@ -82,7 +82,7 @@ class CountAppointments implements ExportInterface, GroupedExportInterface
             return $el['center'];
         }, $acl);
 
-        $qb = $this->calendarRepository->createQueryBuilder('appointment');
+        $qb = $this->calendarRepository->createQueryBuilder('cal');
 
         $qb->select('COUNT(appointment.id) AS export_result');