diff --git a/booking.variety_admin.inc b/booking.variety_admin.inc
index 0db439d..ebb2335 100644
--- a/booking.variety_admin.inc
+++ b/booking.variety_admin.inc
@@ -661,9 +661,9 @@ function booking_variety_regn_edit_form($node, &$form_state, $nid)
     );
             
     //add this to the form in a hidden field so we can update the right event
-    $form['rid'] = array (
+    $form['nid'] = array (
       '#type' => 'hidden',
-      '#value' => $variety_regn_id,
+      '#value' => $nid,
     );
 
     $form['variety-sessions'] = array(
@@ -682,7 +682,7 @@ function booking_variety_regn_edit_form($node, &$form_state, $nid)
         '#type' => 'select',
         '#title' => t('Variety Session: ' . $timeslot->booking_variety_time_descrip),
         '#required' => TRUE,
-        '#default_value' => isset($form_state['values'][$fieldname]) ? $form_state['values'][$fieldname] : $session_ids[$timeslot->$tid],
+        '#default_value' => isset($form_state['values'][$fieldname]) ? $form_state['values'][$fieldname] : $session_ids[$timeslot->tid],
         '#options' => _booking_get_variety_timeslot_options($timeslot->tid),        
       );
     }