diff --git a/preferences/inc/class.preferences_settings.inc.php b/preferences/inc/class.preferences_settings.inc.php
index 326f713344..67a9c82c43 100644
--- a/preferences/inc/class.preferences_settings.inc.php
+++ b/preferences/inc/class.preferences_settings.inc.php
@@ -505,14 +505,14 @@ class preferences_settings
 					switch($type)
 					{
 						case 'user':
-							$setting['values'] = array('' => lang('Use default'))+$setting['values'];
+							$setting['values'] = array(['value'=>'','label' => lang('Use default')])+$setting['values'];
 							break;
 						case 'default':
 						case 'group':
-							$setting['values'] = array('' => lang('No default'))+$setting['values'];
+							$setting['values'] = array(['value'=>'','label' => lang('No default')])+$setting['values'];
 							break;
 						case 'forced';
-							$setting['values'] = array('**NULL**' => lang('Users choice'))+$setting['values'];
+							$setting['values'] = array(['value'=> '**NULL**','label' => lang('Users choice')])+$setting['values'];
 							break;
 					}
 				}