(no commit message)

diff --git a/ipf/admin/model.php b/ipf/admin/model.php
index 340abb1662c586b9e29616b1a472126de69b7587..bbc553dd9182871e541431a3d7ffd3cb4c5c606b 100644 (file)
--- a/ipf/admin/model.php
+++ b/ipf/admin/model.php
@@ -493,7 +493,7 @@ class IPF_Admin_Model{
                        }
                        $this->filters[$f] = new ListFilter($local, $foreign, $choices, 'By '.IPF_Utils::humanTitle($f));
                } else {
-                       if (get_class($f)=='ListTreeFilter'){
+                       if ( (get_class($f)=='ListTreeFilter') || is_subclass_of($f, 'ListTreeFilter')){
                                $f->SetSelect($request);
                                $this->filters[$f->name] = $f;
                        }