Index: simplefeed_item.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/simplefeed/simplefeed_item.module,v
retrieving revision 1.51.2.20
diff -r1.51.2.20 simplefeed_item.module
342c342
<     if (($item->get_date('U') < (time() - $process_feed->expires) && $process_feed->expires > 0) || $item->get_date('U') < $process_feed->checked) {
---
>     if ($item->get_date('U') && (($item->get_date('U') < (time() - $process_feed->expires) && $process_feed->expires > 0) || $item->get_date('U') < $process_feed->checked)) {