diff --git a/includes/pages/user_myshifts.php b/includes/pages/user_myshifts.php
index bfb234ff..8f6e4d56 100644
--- a/includes/pages/user_myshifts.php
+++ b/includes/pages/user_myshifts.php
@@ -103,7 +103,7 @@ function user_myshifts() {
$html .= '
';
if ($id == $user['UID'])
$html .= img_button(page_link_to('user_myshifts') . '&edit=' . $shift['id'], 'pencil', 'edit');
- if (($shift['start'] - time() > $LETZTES_AUSTRAGEN * 3600) || in_array('user_shifts_admin', $privileges))
+ if (($shift['start'] > time() + $LETZTES_AUSTRAGEN * 3600) || in_array('user_shifts_admin', $privileges))
$html .= img_button(page_link_to('user_myshifts') . (($id != $user['UID'])? '&id=' . $id : '') . '&cancel=' . $shift['id'], 'cross', 'sign_off');
$html .= ' | ';
$html .= '';