Magritte password descriptor

Hi, I have setup a password descriptor as follows: desc := (MAPasswordDescription auto: #password label: 'Password' priority: 100) beRequired; yourself. desc requiredErrorMessage: 'must be specified.'. desc addCondition: [:value | value size > 6] labelled: ' too short'. If I enter a password of 'abc' it fails validation as expected. The password field is not cleared when it is redisplayed so I can add 'def' to the end of the field. In the condition this time instead of getting 'abcdef', I get '***def' as the value. Is there a way round this or should I just clear the value. If clearing the value is the answer then how do I do it from within the condition or should I use a custom condition. Thanks Rob