=== modules/node.module
==================================================================
--- modules/node.module  (revision 1013)
+++ modules/node.module  (local)
@@ -1168,7 +1168,7 @@
 
     // Allow modules to add additional item fields
     $extra = node_invoke_nodeapi($item, 'rss item');
-    $extra = array_merge($extra, array(array('key' => 'pubDate', 'value' =>  date('r', $item->changed))));
+    $extra = array_merge($extra, array(array('key' => 'pubDate', 'value' =>  date('r', $item->created))));
     $items .= format_rss_item($item->title, $link, $item->teaser, $extra);
   }