Index: install.php
===================================================================
--- install.php	(revision 13557)
+++ install.php	(working copy)
@@ -920,6 +920,7 @@
 				case 'finish':
 					// delete cache
 					$this->toolkit->deleteCache();
+					$this->toolkit->rebuildThemes();
 
 					// set installation finished mark
 					if ($this->Application->ConfigValue('InstallFinished') === false) {