diff --git a/htdocs/holiday/class/holiday.class.php b/htdocs/holiday/class/holiday.class.php
index 9bcbb6c2f7d..a66e9057937 100644
--- a/htdocs/holiday/class/holiday.class.php
+++ b/htdocs/holiday/class/holiday.class.php
@@ -775,7 +775,9 @@ class Holiday extends CommonObject
 
 		if ($checkBalance > 0) {
 			$balance = $this->getCPforUser($this->fk_user, $this->fk_type);
-			if ($balance < 0) {
+
+			$days = num_open_day($this->date_debut, $this->date_fin);
+			if ((($balance - $days) < 0) && getDolGlobalString('HOLIDAY_DISALLOW_NEGATIVE_BALANCE')) {
 				$this->error = 'LeaveRequestCreationBlockedBecauseBalanceIsNegative';
 				return -1;
 			}