diff --git a/maintenancemode.php b/maintenancemode.php
new file mode 100644
index 0000000..f5db8ce
--- /dev/null
+++ b/maintenancemode.php
@@ -0,0 +1,26 @@
+<?php
+/*
+    maintenancemode.php
+    OpenLog Online Logbook
+    Copyright (C) 2026  Rod Wright
+
+    SPDX-License-Identifier: GPL-2.0
+*/
+
+echo "
+<html>
+<head>
+<title>_APPNAME_</title>
+<style type=\"text/css\">
+    * {font-family: Arial, Helvetica, sans-serif;}
+</style>
+</head>
+<body>
+<br><br><br><br>
+_APPNAME_ is currently down for maintenance. Please try again later.
+<br><br>
+</body>
+</html>
+";
+
+?>
\ No newline at end of file
