I have this query, but MS Access 2000 doesn't seem to like the second INNER JOIN, it tells me 'Synax, missing operator in query expression'

Is my query incorrect, or does Access not handle multiple joins? If so, how could I rewrite my query?

SELECT sms_contacts.ContactName + ',' + sms_outbox.Message
FROM sms_contacts
INNER JOIN sms_recipients ON sms_contacts.ContactID = sms_recipients.ContactID
INNER JOIN sms_outbox ON sms_recipients.smsID = sms_outbox.smsoutboxID