Index: activity.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/activity/activity.module,v
retrieving revision 1.1.2.2.2.30.2.34
diff -u -p -r1.1.2.2.2.30.2.34 activity.module
--- activity.module	8 Apr 2009 18:23:16 -0000	1.1.2.2.2.30.2.34
+++ activity.module	13 Apr 2009 03:40:30 -0000
@@ -910,7 +910,7 @@ function activity_feed($arg) {
   $namespaces = array('xmlns:dc="http://purl.org/dc/elements/1.1/"');
   $output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
   $output .= "<rss version=\"". $channel["version"] ."\" xml:base=\"". $url ."\" ". implode(' ', $namespaces) .">\n";
-  $output .= format_rss_channel($channel['title'], $channel['link'], $channel['description'], $items, $channel['language']);
+  $output .= format_rss_channel($channel['title'], $channel['link'], $channel['description'], $items, $channel['language']->language);
   $output .= "</rss>\n";
 
   drupal_set_header('Content-Type: application/rss+xml; charset=utf-8');