@ -450,7 +450,7 @@ class mod_attforblock_renderer extends plugin_renderer_base {
$firstname = get_string('firstname');
if ($data->pageparams->sort == ATT_SORT_FIRSTNAME)
$lastname = html_writer::link($data->url(array('sort' => SORT_LASTNAME)), get_string('lastname'));
$lastname = html_writer::link($data->url(array('sort' => ATT_SORT_LASTNAME)), get_string('lastname'));
else
$lastname = get_string('lastname');