diff --git a/mod_form.php b/mod_form.php
index 069f273..c559702 100644
--- a/mod_form.php
+++ b/mod_form.php
@@ -113,6 +113,8 @@ function display() {
             // When conditional access is enabled, moodle expects id_availabilityconditionsjson field
             // in standard module form, as we don't use standard form.
             echo html_writer::start_tag('form', array('style'=>'display:none'));
+            echo html_writer::tag('div', '', array('id' => 'fitem_id_availabilityconditionsjson'));
+            echo html_writer::tag('div', '', array('id' => 'availabilityconditions-loading'));
             echo html_writer::empty_tag('input', array('id'=>'id_availabilityconditionsjson', 'type'=>'hidden'));
             echo html_writer::end_tag('form');
         } else {