Created date overwritten on update

The created date in the node table was getting overwritten (defaulted) to the changed date when a property was getting updated.

I saw this post and followed it's advice:
http://drupal.org/node/286069

The code below worked for me.

Index: pirets.batch.inc
==================================
@@ 368
       ),
      );
+     // retain created date so that it does not get reset
+     $node->date = format_date($node->created, 'custom', 'Y-m-d H:i:s O');
      $node = node_submit($node);
      $node->revision = TRUE;
      node_save($node);