diff --git a/wp-admin/includes/schema.php b/wp-admin/includes/schema.php
index f698b052f8..3e7b11ffc5 100644
--- a/wp-admin/includes/schema.php
+++ b/wp-admin/includes/schema.php
@@ -247,8 +247,8 @@ function populate_options() {
 	'default_email_category' => 1,
 	'recently_edited' => '',
 	'use_linksupdate' => 0,
-	'template' => 'twentyten',
-	'stylesheet' => 'twentyten',
+	'template' => WP_FALLBACK_THEME,
+	'stylesheet' => WP_FALLBACK_THEME,
 	'comment_whitelist' => 1,
 	'blacklist_keys' => '',
 	'comment_registration' => 0,