diff --git a/src/schedule-2.0/src/Controller/EventController.php b/src/schedule-2.0/src/Controller/EventController.php
index d3255e4..153b7e4 100755
--- a/src/schedule-2.0/src/Controller/EventController.php
+++ b/src/schedule-2.0/src/Controller/EventController.php
@@ -521,7 +521,7 @@ class EventController extends AbstractController
                 "username" => $event->getUser()->getUsername(),
                 "taskid" => $event->getTask()->getId(),
                 "avatar" => "/".$this->getParameter("appAlias")."/uploads/avatar/".$event->getUser()->getAvatar(),
-                "estimate" => $event->getTask()->getDuration($event->getEnd())." / ".$event->getTask()->getQuantity(),
+                "estimate" => !$event->getTask()->getNature()->getIsvacation() ? $event->getTask()->getDuration($event->getEnd())." / ".$event->getTask()->getQuantity(): "",
                 "locked" => $event->getValidate()||$event->getValidateholiday(),
                 "editable" => $editable,
                 "astreinte" => ($event instanceof Penalty)