diff --git a/booking.emails_admin.inc b/booking.emails_admin.inc
index f0804b2..91d7fbb 100644
--- a/booking.emails_admin.inc
+++ b/booking.emails_admin.inc
@@ -347,7 +347,7 @@ function booking_emails_custom_ajax_form_callback($form, &$form_state) {
 
   // Rebuild the form
   $form_state['rebuild'] = TRUE;
-  return $form['form'];
+  return $form['form']['email-definition'];
 }
 
 /**