diff --git a/grade/export/grade_export_form.php b/grade/export/grade_export_form.php
index 5441dbb43d5..138a9a1d234 100644
--- a/grade/export/grade_export_form.php
+++ b/grade/export/grade_export_form.php
@@ -61,7 +61,7 @@ class grade_export_form extends moodleform {
                 }
 
                 if (!empty($features['idnumberrequired']) and empty($grade_item->idnumber)) {
-                    $mform->addElement('advcheckbox', 'itemids['.$grade_item->id.']', $grade_item->get_name(), get_string('noidnumber', 'grades'));
+                    $mform->addElement('checkbox', 'itemids['.$grade_item->id.']', $grade_item->get_name(), get_string('noidnumber', 'grades'));
                     $mform->hardFreeze('itemids['.$grade_item->id.']');
                 } else {
                     $mform->addElement('advcheckbox', 'itemids['.$grade_item->id.']', $grade_item->get_name(), null, array('group' => 1));
diff --git a/grade/export/xml/export.php b/grade/export/xml/export.php
index 3ab49a47472..b138f065579 100644
--- a/grade/export/xml/export.php
+++ b/grade/export/xml/export.php
@@ -37,7 +37,8 @@ if (groups_get_course_groupmode($COURSE) == SEPARATEGROUPS and !has_capability('
         print_error('cannotaccessgroup', 'grades');
     }
 }
-$mform = new grade_export_form(null, array('publishing' => true, 'simpleui' => true, 'multipledisplaytypes' => false));
+$mform = new grade_export_form(null, array('publishing' => true, 'simpleui' => true, 'multipledisplaytypes' => false,
+        'idnumberrequired' => true));
 $formdata = $mform->get_data();
 
 // print all the exported data here