'$photo' => $self['photo'],
'$thumb' => $self['thumb'],
'$published' => datetime_convert('UTC','UTC', 'now', ATOM_TIME),
- '$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':unfollow:' . random_string(),
+ '$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':unfollow:' . get_guid(32),
'$title' => '',
'$type' => 'text',
'$content' => t('stopped following'),