diff --git a/library/includes/init_bb.php b/library/includes/init_bb.php
index cf2e5fc23..da914c743 100644
--- a/library/includes/init_bb.php
+++ b/library/includes/init_bb.php
@@ -457,7 +457,7 @@ if (
  * Exit if board is disabled via trigger
  */
 if (($bb_cfg['board_disable'] || file_exists(BB_DISABLED)) && !defined('IN_ADMIN') && !defined('IN_AJAX') && !defined('IN_LOGIN')) {
-    header('HTTP/1.0 503 Service Unavailable');
+    \TorrentPier\Common\Http::statusCode(503);
     if ($bb_cfg['board_disable']) {
         // admin lock
         send_no_cache_headers();
diff --git a/src/Common/Http.php b/src/Common/Http.php
new file mode 100644
index 000000000..bb4812ba6
--- /dev/null
+++ b/src/Common/Http.php
@@ -0,0 +1,54 @@
+<?php
+/**
+ * TorrentPier – Bull-powered BitTorrent tracker engine
+ *
+ * @copyright Copyright (c) 2005-2023 TorrentPier (https://torrentpier.com)
+ * @link      https://github.com/torrentpier/torrentpier for the canonical source repository
+ * @license   https://github.com/torrentpier/torrentpier/blob/master/LICENSE MIT License
+ */
+
+namespace TorrentPier\Common;
+
+/**
+ * Class Http
+ * @package TorrentPier\Common
+ */
+class Http
+{
+    /**
+     * Set a HTTP response code
+     *
+     * @param int $statusCode
+     */
+    public static function statusCode(int $statusCode): void
+    {
+        static $status_codes = null;
+
+        if ($status_codes === null) {
+            $status_codes = [
+                100 => 'Continue', 101 => 'Switching Protocols', 102 => 'Processing',
+                200 => 'OK', 201 => 'Created', 202 => 'Accepted',
+                203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content',
+                206 => 'Partial Content', 207 => 'Multi-Status', 300 => 'Multiple Choices',
+                301 => 'Moved Permanently', 302 => 'Found', 303 => 'See Other',
+                304 => 'Not Modified', 305 => 'Use Proxy', 307 => 'Temporary Redirect',
+                400 => 'Bad Request', 401 => 'Unauthorized', 402 => 'Payment Required',
+                403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed',
+                406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Timeout',
+                409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required',
+                412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Long',
+                415 => 'Unsupported Media Type', 416 => 'Requested Range Not Satisfiable', 417 => 'Expectation Failed',
+                422 => 'Unprocessable Entity', 423 => 'Locked', 424 => 'Failed Dependency',
+                426 => 'Upgrade Required', 500 => 'Internal Server Error', 501 => 'Not Implemented',
+                502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Timeout',
+                505 => 'HTTP Version Not Supported', 506 => 'Variant Also Negotiates', 507 => 'Insufficient Storage',
+                509 => 'Bandwidth Limit Exceeded', 510 => 'Not Extended'
+            ];
+        }
+
+        if ($status_codes[$statusCode] !== null) {
+            $status_string = $statusCode . ' ' . $status_codes[$statusCode];
+            header($_SERVER['SERVER_PROTOCOL'] . ' ' . $status_string, true, $statusCode);
+        }
+    }
+}
diff --git a/src/Legacy/SqlDb.php b/src/Legacy/SqlDb.php
index 024927b08..4deaf60e5 100644
--- a/src/Legacy/SqlDb.php
+++ b/src/Legacy/SqlDb.php
@@ -10,6 +10,7 @@
 namespace TorrentPier\Legacy;
 
 use mysqli_result;
+use TorrentPier\Common\Http;
 
 /**
  * Class SqlDb
@@ -104,7 +105,7 @@ class SqlDb
 
         if (mysqli_connect_error()) {
             $server = DBG_USER ? $this->cfg['dbhost'] : '';
-            header('HTTP/1.0 503 Service Unavailable');
+            Http::statusCode(503);
             bb_log(' ', "db_err/connect_failed_{$this->cfg['dbhost']}");
             die("Could not connect to mysql server $server");
         }