diff --git a/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php b/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php
index c6f435ea6..8ebd30868 100644
--- a/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php
+++ b/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php
@@ -168,7 +168,7 @@ class CalendarController extends AbstractController
      * Show a calendar item
      * @Route("/{_locale}/calendar/calendar/{id}/show", name="chill_calendar_calendar_show")
      */
-    public function showAction(Request $request, $id): Response
+    public function showAction(Request $request, int $id): Response
     {
         $view = null;
         $em = $this->getDoctrine()->getManager();
@@ -241,7 +241,7 @@ class CalendarController extends AbstractController
      * Edit a calendar item
      * @Route("/{_locale}/calendar/calendar/{id}/edit", name="chill_calendar_calendar_edit")
      */
-    public function editAction($id, Request $request): Response
+    public function editAction(int $id, Request $request): Response
     {
         $view = null;
         $em = $this->getDoctrine()->getManager();
@@ -302,7 +302,7 @@ class CalendarController extends AbstractController
      * Delete a calendar item
      * @Route("/{_locale}/calendar/{id}/delete", name="chill_calendar_calendar_delete")
      */
-    public function deleteAction(Request $request, $id)
+    public function deleteAction(Request $request, int $id)
     {
         $view = null;
         $em = $this->getDoctrine()->getManager();