diff --git a/app/admin/view/index/index.html b/app/admin/view/index/index.html
index de2f54656..70f66eab6 100644
--- a/app/admin/view/index/index.html
+++ b/app/admin/view/index/index.html
@@ -16,6 +16,7 @@
     <link rel="stylesheet" href="__ROOT__/static/extra/style.css?at={:date('md')}">
     {block name="style"}{/block}
     <script>
+        window.taDebug = '{:intval($app->isDebug())}' > 0;
         window.taEditor = '{:sysconf("base.editor")?:"ckeditor4"}';
         window.tapiRoot = '{:sysuri("admin/index/index",[],false)}'
     </script>