diff --git a/htdocs/projet/activity/perday.php b/htdocs/projet/activity/perday.php
index 89ed60a0632..164a7462e83 100644
--- a/htdocs/projet/activity/perday.php
+++ b/htdocs/projet/activity/perday.php
@@ -498,7 +498,7 @@ $holiday = new Holiday($db);
 $isavailable=array();
 
 $statusofholidaytocheck = '3';
-$isavailablefordayanduser = $holiday->verifDateHolidayForTimestamp($usertoprocess->id, $daytoparse, $statusofholiday);	// $daytoparse is a date with hours = 0
+$isavailablefordayanduser = $holiday->verifDateHolidayForTimestamp($usertoprocess->id, $daytoparse, $statusofholidaytocheck);	// $daytoparse is a date with hours = 0
 $isavailable[$daytoparse]=$isavailablefordayanduser;			// in projectLinesPerWeek later, we are using $firstdaytoshow and dol_time_plus_duree to loop on each day
 
 if (count($tasksarray) > 0)