diff --git a/htdocs/holiday/card.php b/htdocs/holiday/card.php
index 96a6b40f71b..f1faf827b34 100644
--- a/htdocs/holiday/card.php
+++ b/htdocs/holiday/card.php
@@ -254,6 +254,12 @@ if (empty($reshook)) {
 				$error++;
 			}
 
+			$approverslist = $object->fetch_users_approver_holiday();
+			if (!in_array($approverid, $approverslist)) {
+				setEventMessages($langs->transnoentitiesnoconv('InvalidValidator'), null, 'errors');
+				$error++;
+			}
+
 			$result = 0;
 
 			if (!$error) {
diff --git a/htdocs/langs/en_US/holiday.lang b/htdocs/langs/en_US/holiday.lang
index 04f47c8428d..95c8f54d211 100644
--- a/htdocs/langs/en_US/holiday.lang
+++ b/htdocs/langs/en_US/holiday.lang
@@ -58,6 +58,7 @@ ConfirmDeleteCP=Confirm the deletion of this leave request?
 ErrorCantDeleteCP=Error you don't have the right to delete this leave request.
 CantCreateCP=You don't have the right to make leave requests.
 InvalidValidatorCP=You must choose the approver for your leave request.
+InvalidValidator=The user chosen isn't an approver.
 NoDateDebut=You must select a start date.
 NoDateFin=You must select an end date.
 ErrorDureeCP=Your leave request does not contain working day.