diff --git a/include/lehrelisthelper.class.php b/include/lehrelisthelper.class.php
index b1821391f..f511b27cc 100644
--- a/include/lehrelisthelper.class.php
+++ b/include/lehrelisthelper.class.php
@@ -270,6 +270,8 @@ class LehreListHelper
 					} else if ($row->bisio_id != '' && $row->status != 'Incoming' && ($row->von > $stsemdatumvon || $row->von == '')) {
 						// if bis datum is not yet known but von is available already
 						$zusatz .= '(o)(ab '.$datum->formatDatum($row->von, 'd.m.Y').')';
+					} else if ($row->bisio_id != '' && $row->status != 'Incoming' && ($row->von <= $stsemdatumvon || $row->von == '') && ($row->bis == '' || $row->bis > date('Y-m-d'))){
+						$zusatz .= '(o)(ab '.$datum->formatDatum($row->von, 'd.m.Y').')';
 					}