diff --git a/booking.variety_form.inc b/booking.variety_form.inc
index f736860..7fa31b6 100644
--- a/booking.variety_form.inc
+++ b/booking.variety_form.inc
@@ -60,7 +60,7 @@ function booking_variety_regn_form($node, &$form_state)
       '#required' => TRUE,
       '#default_value' => isset($form_state['values'][$fieldname]) ? $form_state['values'][$fieldname] : 1,
       '#options' => _booking_get_variety_timeslot_options($timeslot->tid),
-      '#prefix' => '<div id="booking_variety_session_' . $timeslot->tid . 'wrapper">',
+      '#prefix' => '<div id="booking_variety_session_' . $timeslot->tid . '_wrapper">',
       '#suffix' => '</div>',          
     );
   }	
@@ -139,12 +139,12 @@ function booking_variety_session_callback($form, &$form_state) {
 
     //re-create the form element for this timeslot
 
-    $form['form']['variety-sessions'][$fieldname] = array(
+    $form['variety-sessions'][$fieldname] = array(
       '#type' => 'select',
-      '#title' => t('Variety Session: ' . $timeslot->booking_variety_time_descrip),
+      '#title' => t('Rebuilt Variety Session: ' . $timeslot->booking_variety_time_descrip),
       '#required' => TRUE,
       '#options' => $options,
-      '#prefix' => '<div id="booking_variety_session_' . $timeslot->tid . 'wrapper">',
+      '#prefix' => '<div id="booking_variety_session_' . $timeslot->tid . '_wrapper">',
       '#suffix' => '</div>', 
       '#default_value' => 1,	
     );
@@ -152,7 +152,7 @@ function booking_variety_session_callback($form, &$form_state) {
     //$form['variety-sessions'][$fieldname]['#options'] = $options;
     
     // Tell drupal to update the wrapper for this field
-    $commands[] = ajax_command_replace('#booking_variety_session_' . $timeslot->tid . 'wrapper', render($form['form']['variety-sessions'][$fieldname]));
+    $commands[] = ajax_command_replace('#booking_variety_session_' . $timeslot->tid . 'wrapper', render($form['variety-sessions'][$fieldname]));
   }	
   
   $form_state['rebuild'] = TRUE;