diff --git a/phpBB/admin/admin_board.php b/phpBB/admin/admin_board.php
index 7026e41b46..37eb06e709 100644
--- a/phpBB/admin/admin_board.php
+++ b/phpBB/admin/admin_board.php
@@ -105,7 +105,7 @@ while ($row = $db->sql_fetchrow($result))
 if (isset($_POST['submit']))
 {
 	// Re-cache config data
-	$cache->put('config', $config);
+	$cache->put('config', $new);
 
 	add_admin_log('log_' . $mode . '_config');
 	trigger_error($user->lang['Config_updated']);