Sometimes I want kings, sometimes I need doubles. No matter what I chose in my reservation, the preference in my account shows up for the front desk. Awhile ago I noticed you can choose "no prefence" in your profile; I did that. It still shows up king (at the bottom of the reservation) and what I specifically choose for that particular stay at the top. Luckily the hotels have had both bed types available for my stays, so they've been able to give my what I need. But I just hope I don't have a problem in the future if I happen to stay during more busy times.