diff --git a/cck_time.module b/cck_time.module
index ed1007e..786f7bc 100644
--- a/cck_time.module
+++ b/cck_time.module
@@ -122,6 +122,7 @@ function cck_time_field_widget_info() {
 function cck_time_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
   $element += array(
     '#type' => 'cck_time_select',
+    '#tree' => TRUE,
     '#default_value' => ''
   );
   //deal with default values when editing a form