diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index 1644f0d34..285252090 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.13.6",
+  "version": "4.13.7",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",
diff --git a/packages/ui-default/templates/layout/html5.html b/packages/ui-default/templates/layout/html5.html
index ab8c26a67..6fa4fadb7 100644
--- a/packages/ui-default/templates/layout/html5.html
+++ b/packages/ui-default/templates/layout/html5.html
@@ -42,6 +42,10 @@
 <body>
   {% block body %}{% endblock %}
   {% if not isIE(handler.request.headers['user-agent']) %}
+  <script>
+    UiContext = '{{ UiContext|json|jsesc|safe }}';
+    UserContext = '{{ UserContext|json|jsesc|safe }}';
+  </script>
   <script type="text/javascript" src="{{ ('/locale/{0}.js'.format(handler.translate('__id'))) }}"></script>
   <script type="text/javascript" src="/ui-constants.js"></script>
   <script type="text/javascript" src="{{ static_url('hydro.js') }}"></script>