diff --git a/calendar/inc/class.calendar_uiforms.inc.php b/calendar/inc/class.calendar_uiforms.inc.php
index be3b6219d9..1ddfe8a3b5 100644
--- a/calendar/inc/class.calendar_uiforms.inc.php
+++ b/calendar/inc/class.calendar_uiforms.inc.php
@@ -513,7 +513,6 @@ class calendar_uiforms extends calendar_ui
 								if ($data['old_status'] != $status && !(!$data['old_status'] && $status == 'G'))
 								{
 									//echo "<p>$uid: status changed '$data[old_status]' --> '$status<'/p>\n";
-									$quantity = $role = null;
 									$new_status = calendar_so::combine_status($status, $quantity, $role);
 									if ($this->bo->set_status($event['id'],$uid,$new_status,isset($content['edit_single']) ? $content['participants']['status_date'] : 0, false, true, $content['no_notifications']))
 									{