diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 03d044a2ee6d91a1334cfedd949046d03a9c5bbd..7111b2387bdfd72a6d6f576a258b100fc1c4db22 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -69,8 +69,8 @@ abstract class CommonObject
 
 		$sql = "SELECT rowid, ref, ref_ext";
 		$sql.= " FROM ".MAIN_DB_PREFIX.$element;
-		$sql.= " WHERE entity IN (".getEntity($element).")" ; 
-		
+		$sql.= " WHERE entity IN (".getEntity($element, true).")" ;
+
 		if ($id > 0) $sql.= " AND rowid = ".$db->escape($id);
 		else if ($ref) $sql.= " AND ref = '".$db->escape($ref)."'";
 		else if ($ref_ext) $sql.= " AND ref_ext = '".$db->escape($ref_ext)."'";