diff --git a/install.php b/install.php
index 75a07eaa..bb0db5e5 100644
--- a/install.php
+++ b/install.php
@@ -381,7 +381,7 @@ function install($adminPassword, $timezone)
 		'language' => $L->currentLanguage(),
 		'locale' => $L->locale(),
 		'timezone' => $timezone,
-		'theme' => 'default',
+		'theme' => 'defaultTheme',
 		'adminTheme' => 'koblog',
 		'homepage' => '',
 		'pageNotFound' => '',