Index: wp-includes/post.php
===================================================================
--- wp-includes/post.php	(revision 24826)
+++ wp-includes/post.php	(working copy)
@@ -1270,7 +1270,7 @@
 				add_rewrite_rule( "{$archive_slug}/{$wp_rewrite->pagination_base}/([0-9]{1,})/?$", "index.php?post_type=$post_type" . '&paged=$matches[1]', 'top' );
 		}
 
-		add_permastruct( $post_type, "{$args->rewrite['slug']}/%$post_type%", $args->rewrite );
+		add_permastruct( $post_type, "{$args->rewrite['slug']}/%$post_type%", array_merge( $args->rewrite, array( 'feed' => $args->rewrite['feeds'] ) ) );
 	}
 
 	if ( $args->register_meta_box_cb )