SQL error on admin summary page

I get the following error message when trying to view the summary page in the admin section.
I use drupal_ as my prefix. It seems that it doesn't include the prefix when looking up the database, what do I have to change?

referral

    * user warning: Table 'animenord_com.users' doesn't exist query: SELECT COUNT(*) FROM drupal_referral r INNER JOIN drupal_users u ON u.uid = r.referral_uid INNER JOIN users u2 ON u2.uid = r.uid WHERE u2.status = 1 GROUP BY r.referral_uid in F:\www\includes\database.mysql.inc on line 172.
    * user warning: Table 'animenord_com.users' doesn't exist query: SELECT r.referral_uid, u.name, COUNT(*) AS num_referrals, MAX(r.created) AS last FROM drupal_referral r INNER JOIN drupal_users u ON u.uid = r.referral_uid INNER JOIN users u2 ON u2.uid = r.uid WHERE u2.status = 1 GROUP BY r.referral_uid ORDER BY num_referrals DESC LIMIT 0, 50 in F:\www\includes\database.mysql.inc on line 172.