diff --git a/backup/moodle2/backup_htmlcert_stepslib.php b/backup/moodle2/backup_htmlcert_stepslib.php
index 43282af..d818818 100644
--- a/backup/moodle2/backup_htmlcert_stepslib.php
+++ b/backup/moodle2/backup_htmlcert_stepslib.php
@@ -47,7 +47,7 @@ class backup_htmlcert_activity_structure_step extends backup_activity_structure_
 
         // The template.
         $template = new backup_nested_element('template', array('id'), array(
-            'name', 'contextid', 'timecreated', 'timemodified'));
+            'name', 'html', 'contextid', 'timecreated', 'timemodified'));
 
         // The issues.
         $issues = new backup_nested_element('issues');