From c2c7b75956b236b86c994c3225fbb00da4a40ad8 Mon Sep 17 00:00:00 2001
From: Isaac Connor <isaac@zoneminder.com>
Date: Mon, 9 Jul 2018 15:30:15 -0400
Subject: [PATCH] check for ZM_SERVER_ID being defined

---
 web/skins/classic/js/skin.js.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/skins/classic/js/skin.js.php b/web/skins/classic/js/skin.js.php
index 75574a073..30f68a61c 100644
--- a/web/skins/classic/js/skin.js.php
+++ b/web/skins/classic/js/skin.js.php
@@ -31,7 +31,7 @@ var navBarRefresh = <?php echo 1000*ZM_WEB_REFRESH_NAVBAR ?>;
 var currentView = '<?php echo $view ?>';
 var thisUrl = "<?php echo ZM_BASE_URL.$_SERVER['PHP_SELF'] ?>";
 var skinPath = "<?php echo ZM_SKIN_PATH ?>";
-var serverId = '<?php echo ZM_SERVER_ID ?>';
+var serverId = '<?php echo defined('ZM_SERVER_ID') ? ZM_SERVER_ID : '' ?>';
 
 var canEditSystem = <?php echo canEdit('System' )?'true':'false' ?>;
 var canViewSystem = <?php echo canView('System' )?'true':'false' ?>;