diff --git a/booking.variety_form.inc b/booking.variety_form.inc
index 7f08f35..a41c0eb 100644
--- a/booking.variety_form.inc
+++ b/booking.variety_form.inc
@@ -52,12 +52,13 @@ function booking_variety_regn_form($node, &$form_state)
 
   //for each entry in the variety timeslot table, create a new form select item
   foreach($result as $timeslot) {
+    $fieldname = 'select-variety-' . $timeslot->tid;
     //create the form element for this timeslot
-    $form['variety-sessions']['select-variety-' . $timeslot->tid] = array(
+    $form['variety-sessions'][$fieldname] = array(
       '#type' => 'select',
       '#title' => t('Variety Session: ' . $timeslot->booking_variety_time_descrip),
       '#required' => TRUE,
-      '#default_value' => '--',
+      '#default_value' => isset($form_state['values'][$fieldname]) ? $form_state['values'][$fieldname] : 0,
       '#options' => _booking_get_variety_timeslot_options($timeslot->tid),
       '#prefix' => '<div id="booking_variety_session_' . $timeslot->tid . 'wrapper">',
       '#suffix' => '</div>',