diff --git a/wp-comments-popup.php b/wp-comments-popup.php
index 89ae1b9bdc..03786f9773 100644
--- a/wp-comments-popup.php
+++ b/wp-comments-popup.php
@@ -31,6 +31,9 @@ foreach ($posts as $post) { start_wp();
 
 <?php
 // this line is WordPress' motor, do not delete it.
+$comment_author = (isset($HTTP_COOKIE_VARS['comment_author_'.$cookiehash])) ? trim($HTTP_COOKIE_VARS['comment_author_'.$cookiehash]) : '';
+$comment_author_email = (isset($HTTP_COOKIE_VARS['comment_author_email_'.$cookiehash])) ? trim($HTTP_COOKIE_VARS['comment_author_email_'.$cookiehash]) : '';
+$comment_author_url = (isset($HTTP_COOKIE_VARS['comment_author_url_'.$cookiehash])) ? trim($HTTP_COOKIE_VARS['comment_author_url_'.$cookiehash]) : '';
 $comments = $wpdb->get_results("SELECT * FROM $tablecomments WHERE comment_post_ID = $id AND comment_approved = '1' ORDER BY comment_date");
 $commentstatus = $wpdb->get_row("SELECT comment_status, post_password FROM $tableposts WHERE ID = $id");
 if (!empty($commentstatus->post_password) && $HTTP_COOKIE_VARS['wp-postpass_'.$cookiehash] != $commentstatus->post_password) {  // and it doesn't match the cookie