diff --git a/ChangeLog b/ChangeLog
index 52e0febc1b..8986049da7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,7 @@ phpMyAdmin - ChangeLog
 - bug #4041 Interaction between linkified fields and grid editing
 - bug #3975 Table grouping isn't implemented properly
 - bug #4060 Browser tries to remember wrong password when creating new user
+- bug #4002 Edit Index on big table doesn't show "Loading" or any message
 
 4.0.7.0 (not yet released)
 - bug #3993 Sorting in database overview with statistics doesn't work
diff --git a/js/functions.js b/js/functions.js
index 731c137e06..1996f008bc 100644
--- a/js/functions.js
+++ b/js/functions.js
@@ -2795,6 +2795,7 @@ function indexEditorDialog(url, title, callback_success, callback_failure)
          * @var    the_form    object referring to the export form
          */
         var $form = $("#index_frm");
+        var $msgbox = PMA_ajaxShowMessage(PMA_messages['strProcessingRequest']);
         PMA_prepareForAjaxRequest($form);
         //User wants to submit the form
         $.post($form.attr('action'), $form.serialize()+"&do_save_data=1", function(data) {