diff --git a/htdocs/holiday/class/holiday.class.php b/htdocs/holiday/class/holiday.class.php
index 0133135b05e..cfd47355e6b 100644
--- a/htdocs/holiday/class/holiday.class.php
+++ b/htdocs/holiday/class/holiday.class.php
@@ -898,7 +898,7 @@ class Holiday extends CommonObject
 		if ($checkBalance > 0) {
 			$balance = $this->getCPforUser($this->fk_user, $this->fk_type);
 
-			$days = num_public_holiday($this->date_debut, $this->date_fin);
+			$days = num_open_day($this->date_debut, $this->date_fin);
 
 			if ((($balance - $days) < 0) && getDolGlobalString('HOLIDAY_DISALLOW_NEGATIVE_BALANCE')) {
 				$this->error = 'LeaveRequestCreationBlockedBecauseBalanceIsNegative';