diff -Naur phpldapadmin-1.2.0.5.orig/lib/Template.php phpldapadmin-1.2.0.5.new/lib/Template.php
--- phpldapadmin-1.2.0.5.orig/lib/Template.php	2010-01-30 06:21:20.000000000 +0100
+++ phpldapadmin-1.2.0.5.new/lib/Template.php	2010-04-22 14:17:55.000000000 +0200
@@ -1497,7 +1497,7 @@
 
 			foreach ($this->getObjectClasses() as $oc) {
 				$soc = $server->getSchemaObjectClass($oc);
-				$attrs = array_merge($attrs,$soc->getMustAttrNames(),$soc->getMayAttrNames());
+				$attrs = array_merge($attrs,$soc->getMustAttrNames(true),$soc->getMayAttrNames(true));
 				$attrs = array_unique($attrs);
 			}