[Plugin: qTranslate] Problems displaying title in right language

I have a list of the latest comments in my sidebar. It displays the name of the author and the name 8link) to the specific blog article.

The problem is: both, german and english titles are displayed simultaneously! But both links lead to the blog post with the currently active language O.o What am I doin wrong?

This is my code

<?php
        $comms = get_comments('number=5');
        foreach($comms as $comm) :
            $post = get_post($comm->comment_post_ID); ?>
            <li class="recentcomments">»<?php echo $comm->comment_author; ?>« on <a href="<?php echo $post->guid; ?>"><?php echo $post->post_title; ?></a>
        <?php endforeach;
        wp_reset_query();
    ?>

http://ww.wp.xz.cn/extend/plugins/qtranslate/