diff --git a/wp-comments.php b/wp-comments.php
index cd0c0c1d2f..20cb15b9d5 100644
--- a/wp-comments.php
+++ b/wp-comments.php
@@ -38,7 +38,7 @@ endif;
 
 <p><?php comments_rss_link(__('<abbr title="Really Simple Syndication">RSS</abbr> feed for comments on this post.')); ?> 
 <?php if ( pings_open() ) : ?>
-	<a href="<?php trackback_url() ?>"><?php _e('TrackBack <abbr title="Uniform Resource Identifier">URI</abbr>'); ?></a>
+	<a href="<?php trackback_url() ?>" rel="trackback"><?php _e('TrackBack <abbr title="Uniform Resource Identifier">URI</abbr>'); ?></a>
 <?php endif; ?>
 </p>