diff --git a/inc/inc.ClassSettings.php b/inc/inc.ClassSettings.php
index 4aa092d9e..e3d2ea766 100644
--- a/inc/inc.ClassSettings.php
+++ b/inc/inc.ClassSettings.php
@@ -98,7 +98,7 @@ class Settings { /* {{{ */
 	// enable/disable converting of files
 	var $_enableConverting = false;
 	// default style
-	var $_theme = "clean";
+	var $_theme = "bootstrap";
 	// Workaround for page titles that go over more than 2 lines.
 	var $_titleDisplayHack = true;
 	// enable/disable automatic email notification