diff --git a/fullcalendar.module b/fullcalendar.module
index fb8c83e..a239627 100644
--- a/fullcalendar.module
+++ b/fullcalendar.module
@@ -186,6 +186,7 @@ function fullcalendar_update($action, $eid) {
   // Save the new start/end values.
   field_attach_presave($entity_type, $entity);
   field_attach_update($entity_type, $entity);
+  module_invoke_all('entity_update', $entity, $entity_type);
 
   drupal_json_output(array('msg' => t('The new event time has been saved.') . ' [' . l(t('Close'), NULL, array('attributes' => array('class' => array('fullcalendar-status-close')))) . ']', 'dom_id' => $_POST['dom_id']));
 }