diff --git a/lib/sitemap.php b/lib/sitemap.php
index a5f9cb7..63f67ac 100644
--- a/lib/sitemap.php
+++ b/lib/sitemap.php
@@ -1,5 +1,5 @@
 <?php
-require "lib/account.php";
+require_once "lib/account.php";
 
 
 function generateSitemap(): string {