diff --git a/code/controllers/AssetAdmin.php b/code/controllers/AssetAdmin.php
index 295f4aea..8d8d46f2 100644
--- a/code/controllers/AssetAdmin.php
+++ b/code/controllers/AssetAdmin.php
@@ -253,7 +253,7 @@ JS
 			// TODO Replace with lazy loading on client to avoid performance hit of rendering potentially unused views
 			new LiteralField(
 				'Tree',
-				$treeField->createTag(
+				FormField::create_tag(
 					'div', 
 					array(
 						'class' => 'cms-tree',