diff --git a/application/modules/api/services/Calendar.php b/application/modules/api/services/Calendar.php
index 1a790b4d..f80d7221 100755
--- a/application/modules/api/services/Calendar.php
+++ b/application/modules/api/services/Calendar.php
@@ -37,8 +37,7 @@ public function sync($userid, $commission = null): void
         }
 
         // Le refresh est par défaut à 5 minutes
-        $refreshTime = getenv('PREVARISC_CALENDAR_REFRESH_TIME') ?
-                        getenv('PREVARISC_CALENDAR_REFRESH_TIME') : 'PT5M';
+        $refreshTime = getenv('PREVARISC_CALENDAR_REFRESH_TIME') ?: 'PT5M';
 
         $calendar = new VCalendar([
             'NAME' => $calendrierNom,