authlogic and updateing a user without changing password


I created a new Rails app with authlogic to handle authentication and what have you. In my admin section I'd like to change only the state of users. The problem is that when I submit the form, I get the following error: Password can't be blank

How to tell authlogic to not care about this error? Is it possible to provide te à-la restful_auth option :allow_blank => true ?