diff --git a/ext/system/main.php b/ext/system/main.php
index f33a7a120..4bd36dd51 100644
--- a/ext/system/main.php
+++ b/ext/system/main.php
@@ -12,7 +12,7 @@ public function onPageRequest(PageRequestEvent $event)
 
         if ($event->page_matches("system")) {
             $e = send_event(new PageSubNavBuildingEvent("system"));
-            usort($e->links, "Shimmie2\sort_nav_links");
+            usort($e->links, fn (NavLink $a, NavLink $b) => $a->order - $b->order);
             $link = $e->links[0]->link;
 
             $page->set_redirect($link->make_link());