diff --git a/sites/index.php b/sites/index.php
index 6c5bd24..91bc146 100644
--- a/sites/index.php
+++ b/sites/index.php
@@ -3,6 +3,7 @@
 	require_once "+getenv.php";
 	require_once "$PROJECT_ROOT/php/utils/utils.php";
 	require_once "$PROJECT_ROOT/php/utils/servers-rooms.php";
+	require_once "$PROJECT_ROOT/php/utils/getopt.php";
 
 	// Read the server data from disk.
 	$servers_raw = file_get_contents($ROOMS_FILE);