diff --git a/htdocs/core/boxes/box_scheduled_jobs.php b/htdocs/core/boxes/box_scheduled_jobs.php
index f0868036e9d..7073e886301 100644
--- a/htdocs/core/boxes/box_scheduled_jobs.php
+++ b/htdocs/core/boxes/box_scheduled_jobs.php
@@ -103,7 +103,7 @@ class box_scheduled_jobs extends ModeleBoxes
 				while ($i < $num) {
 					$objp = $this->db->fetch_object($result);
 
-					if (dol_eval($objp->test, 1, 1, '')) {
+					if (dol_eval($objp->test, 1, 1, '2')) {
 						$nextrun = $this->db->jdate($objp->datenextrun);
 						if (empty($nextrun)) {
 							$nextrun = $this->db->jdate($objp->datestart);
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 74ca8626850..6d5073aae58 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -9175,7 +9175,7 @@ function verifCond($strToEvaluate)
  * @param 	string	$s					String to evaluate
  * @param	int		$returnvalue		0=No return (used to execute eval($a=something)). 1=Value of eval is returned (used to eval($something)).
  * @param   int     $hideerrors     	1=Hide errors
- * @param	string	$onlysimplestring	'0' (used for computed property of extrafields)=Accept all chars, '1' (most common use)=Accept only simple string with char 'a-z0-9\s^$_+-.*>&|=!?():"\',/@';',  '2' (rarely used)=Accept also '[]'
+ * @param	string	$onlysimplestring	'0' (deprecated, used for computed property of extrafields)=Accept all chars, '1' (most common use)=Accept only simple string with char 'a-z0-9\s^$_+-.*>&|=!?():"\',/@';',  '2' (rarely used)=Accept also '[]'
  * @return	mixed						Nothing or return result of eval
  */
 function dol_eval($s, $returnvalue = 0, $hideerrors = 1, $onlysimplestring = '1')
@@ -9192,6 +9192,10 @@ function dol_eval($s, $returnvalue = 0, $hideerrors = 1, $onlysimplestring = '1'
 	global $obj; // To get $obj used into list when dol_eval is used for computed fields and $obj is not yet $object
 	global $soc; // For backward compatibility
 
+	if (!in_array($onlysimplestring, array('0', '1', '2'))) {
+		return 'Bad call of dol_eval. Parameter onlysimplestring must be 0, 1 or 2';
+	}
+
 	try {
 		// Test on dangerous char (used for RCE), we allow only characters to make PHP variable testing
 		if ($onlysimplestring == '1') {
diff --git a/htdocs/core/tpl/extrafields_list_print_fields.tpl.php b/htdocs/core/tpl/extrafields_list_print_fields.tpl.php
index cf6a3b35648..0f0add8e9ae 100644
--- a/htdocs/core/tpl/extrafields_list_print_fields.tpl.php
+++ b/htdocs/core/tpl/extrafields_list_print_fields.tpl.php
@@ -35,7 +35,7 @@ if (!empty($extrafieldsobjectkey) && !empty($extrafields->attributes[$extrafield
 				// If field is a computed field, we make computation to get value
 				if ($extrafields->attributes[$extrafieldsobjectkey]['computed'][$key]) {
 					$objectoffield = $object; //For compatibily with the computed formula
-					$value = dol_eval($extrafields->attributes[$extrafieldsobjectkey]['computed'][$key], 1, 1, '0');
+					$value = dol_eval($extrafields->attributes[$extrafieldsobjectkey]['computed'][$key], 1, 1, '2');
 					if (is_numeric(price2num($value)) && $extrafields->attributes[$extrafieldsobjectkey]['totalizable'][$key]) {
 						$obj->$tmpkey = price2num($value);
 					}
diff --git a/htdocs/public/ticket/list.php b/htdocs/public/ticket/list.php
index 954e2428cfe..ccf0b992e29 100644
--- a/htdocs/public/ticket/list.php
+++ b/htdocs/public/ticket/list.php
@@ -266,7 +266,7 @@ if ($action == "view_ticketlist") {
 		if (isset($extrafields->attributes[$object->table_element]['label']) && is_array($extrafields->attributes[$object->table_element]['label']) && count($extrafields->attributes[$object->table_element]['label'])) {
 			foreach ($extrafields->attributes[$object->table_element]['label'] as $key => $val) {
 				if ($extrafields->attributes[$object->table_element]['type'][$key] != 'separate') {
-					$enabled = abs(dol_eval($extrafields->attributes[$object->table_element]['list'][$key], 1, 1, 0));
+					$enabled = abs(dol_eval($extrafields->attributes[$object->table_element]['list'][$key], 1, 1, '2'));
 					$enabled = (($enabled == 0 || $enabled == 3) ? 0 : $enabled);
 					$arrayfields["ef.".$key] = array('label' => $extrafields->attributes[$object->table_element]['label'][$key], 'checked' => ($extrafields->attributes[$object->table_element]['list'][$key] < 0) ? 0 : 1, 'position' => $extrafields->attributes[$object->table_element]['pos'][$key], 'enabled' => $enabled && $extrafields->attributes[$object->table_element]['perms'][$key]);
 				}