--- statistics.admin.inc	2008-01-08 18:35:42.000000000 +0800
+++ statistics.admin.inc	2008-03-02 22:02:40.000000000 +0800
@@ -83,7 +83,7 @@ function statistics_top_visitors() {
   );
 
   $sql = "SELECT COUNT(a.uid) AS hits, a.uid, u.name, a.hostname, SUM(a.timer) AS total, ac.aid FROM {accesslog} a LEFT JOIN {access} ac ON ac.type = 'host' AND LOWER(a.hostname) LIKE (ac.mask) LEFT JOIN {users} u ON a.uid = u.uid GROUP BY a.hostname, a.uid, u.name, ac.aid". tablesort_sql($header);
-  $sql_cnt = "SELECT COUNT(DISTINCT(CONCAT(uid, hostname))) FROM {accesslog}";
+  $sql_cnt = "SELECT COUNT(DISTINCT(CONCAT(CAST(uid AS char), hostname))) FROM {accesslog}";
   $result = pager_query($sql, 30, 0, $sql_cnt);
 
   $rows = array();