diff --git a/prefs.php b/prefs.php
index b617d94bc..93b7cbb78 100644
--- a/prefs.php
+++ b/prefs.php
@@ -53,8 +53,6 @@
 	foreach (array("lib/prototype.js",
 				"lib/scriptaculous/scriptaculous.js?load=effects,dragdrop,controls",
 				"lib/dojo/dojo.js",
-				"lib/dijit/dijit.js",
-				"lib/CheckBoxTree.js",
 				"lib/dojo/tt-rss-layer.js",
 				"errors.php?mode=js") as $jsfile) {
 
@@ -63,6 +61,7 @@
 	} ?>
 
 	<script type="text/javascript">
+		require({cache:{}});
 	<?php
 		require 'lib/jshrink/Minifier.php';
 
@@ -72,7 +71,7 @@
 			}
 		}
 
-		print get_minified_js(array("functions", "deprecated", "prefs", "PrefFeedTree", "PrefFilterTree", "PrefLabelTree"));
+		print get_minified_js(array("../lib/CheckBoxTree","functions", "deprecated", "prefs", "PrefFeedTree", "PrefFilterTree", "PrefLabelTree"));
 
 		init_js_translations();
 	?>