diff --git a/content/treestyletab/treestyletab.xul b/content/treestyletab/treestyletab.xul
index 7294cbae..d7f28bd2 100644
--- a/content/treestyletab/treestyletab.xul
+++ b/content/treestyletab/treestyletab.xul
@@ -3,6 +3,15 @@
 <?xml-stylesheet href="treestyletab.css" type="text/css"?>
 <?xml-stylesheet href="treestyletab-tmp.css" type="text/css"?><!-- hacks for Tab Mix Plus -->
 
+<?xml-stylesheet href="chrome://treestyletab/skin/base-colors.css" type="text/css"?>
+
+<?xml-stylesheet href="chrome://treestyletab/skin/base.css" type="text/css"?>
+<?xml-stylesheet href="chrome://treestyletab/skin/twisty/twisty.css" type="text/css"?>
+<?xml-stylesheet href="chrome://treestyletab/skin/ui.css" type="text/css"?>
+<?xml-stylesheet href="chrome://treestyletab/skin/tmp.css" type="text/css"?><!-- hacks for Tab Mix Plus -->
+<?xml-stylesheet href="chrome://treestyletab/skin/platform-base.css" type="text/css"?>
+<?xml-stylesheet href="chrome://treestyletab/skin/pseudo-tree.css" type="text/css"?>
+
 <!DOCTYPE overlay SYSTEM "chrome://treestyletab/locale/treestyletab.dtd">
 <overlay id="treestyletab-overlay"
          xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
diff --git a/modules/themeManager.js b/modules/themeManager.js
index 3ed138f0..a3fc6914 100644
--- a/modules/themeManager.js
+++ b/modules/themeManager.js
@@ -65,15 +65,6 @@ TreeStyleTabThemeManager.prototype = {
 
 		var styles = [];
 
-		styles.push(BASE+'base-colors.css');
-
-		styles.push('chrome://treestyletab/skin/base.css');
-		styles.push('chrome://treestyletab/skin/twisty/twisty.css');
-		styles.push('chrome://treestyletab/skin/ui.css');
-		styles.push('chrome://treestyletab/skin/tmp.css');
-		styles.push('chrome://treestyletab/skin/platform-base.css');
-		styles.push('chrome://treestyletab/skin/pseudo-tree.css');
-		
 		switch (aStyle)
 		{
 			default: