Index: FeedsSitemapParser.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/feeds/plugins/FeedsSitemapParser.inc,v
retrieving revision 1.3
diff -u -p -r1.3 FeedsSitemapParser.inc
--- FeedsSitemapParser.inc	7 Sep 2010 17:29:36 -0000	1.3
+++ FeedsSitemapParser.inc	20 Oct 2010 00:33:05 -0000
@@ -20,10 +20,10 @@ class FeedsSitemapParser extends FeedsPa
         $item['lastmod'] = strtotime($url->lastmod);
       }
       if ($url->changefreq) {
-        $item['changefreq'] = $url->changefreq;
+        $item['changefreq'] = (string) $url->changefreq;
       }
       if ($url->priority) {
-        $item['priority'] = $url->priority;
+        $item['priority'] = (string) $url->priority;
       }
       $batch->addItem($item);
     }