diff --git a/plugins/Event/eventform.php b/plugins/Event/eventform.php
index e7d7a26bea..6a6e17e77b 100644
--- a/plugins/Event/eventform.php
+++ b/plugins/Event/eventform.php
@@ -83,7 +83,7 @@ class EventForm extends Form
      */
     function formData()
     {
-        $this->out->elementStart('fieldset', array('id' => 'new_bookmark_data'));
+        $this->out->elementStart('fieldset', array('id' => 'new_event_data'));
         $this->out->elementStart('ul', 'form_data');
 
         $this->li();