diff --git a/htdocs/knowledgemanagement/knowledgerecord_list.php b/htdocs/knowledgemanagement/knowledgerecord_list.php
index 4c7a8948cf4..d67a3c43e74 100644
--- a/htdocs/knowledgemanagement/knowledgerecord_list.php
+++ b/htdocs/knowledgemanagement/knowledgerecord_list.php
@@ -89,7 +89,11 @@ $search_all = GETPOST('search_all', 'alphanohtml') ? GETPOST('search_all', 'alph
 $search = array();
 foreach ($object->fields as $key => $val) {
 	if (GETPOST('search_'.$key, 'alpha') !== '') {
-		$search[$key] = GETPOST('search_'.$key, 'alpha');
+		if ($key == "lang") {
+			$search[$key] = GETPOST('search_'.$key, 'alpha')!='0' ? GETPOST('search_'.$key, 'alpha') : '';
+		} else {
+			$search[$key] = GETPOST('search_'.$key, 'alpha');
+		}
 	}
 	if (preg_match('/^(date|timestamp|datetime)/', $val['type'])) {
 		$search[$key.'_dtstart'] = dol_mktime(0, 0, 0, GETPOST('search_'.$key.'_dtstartmonth', 'int'), GETPOST('search_'.$key.'_dtstartday', 'int'), GETPOST('search_'.$key.'_dtstartyear', 'int'));
@@ -118,15 +122,6 @@ foreach ($object->fields as $key => $val) {
 			'position'=>$val['position'],
 			'help'=> isset($val['help']) ? $val['help'] : ''
 		);
-	} elseif ($key = 'lang') {
-		$visible = (int) dol_eval($val['visible'], 1);
-		$arrayfields['t.'.$key] = array(
-			'label'=>$val['label'],
-			'checked'=>(($visible < 0) ? 0 : 1),
-			'enabled'=>($visible != 3 && dol_eval($val['enabled'], 1)),
-			'position'=>$val['position'],
-			'help'=> isset($val['help']) ? $val['help'] : ''
-		);
 	}
 }
 // Extra fields