diff --git a/application/Bootstrap.php b/application/Bootstrap.php
index 40f4320d..913e6123 100644
--- a/application/Bootstrap.php
+++ b/application/Bootstrap.php
@@ -17,7 +17,7 @@ class Bootstrap extends Zend_Application_Bootstrap_Bootstrap
 
 		$view->headLink()
 			->appendStylesheet('/libs/qtip/jquery.qtip.css', 'all')
-			->appendStylesheet('/themes/jstree/default/style.css') // Ohhhhhhhhhh !
+			->appendStylesheet('/libs/tree/themes/default/style.css')
 			->appendStylesheet('/libs/ui/themes/smoothness/jquery-ui.css', 'all')
 			->appendStylesheet($pathStyle.'/main.css', 'all');