token fails to run when using autonode title on user create

We're setting the title of a user's profile from cck fields for first and last name, using the following tokens in the autonode title field

[field_firstname-formatted] [field_lastname-formatted]

Version 6.x-1.16 worked great, and when a user comes to a site to create an account (profile fields are filled out on the same account creation page) it works fine.

However, when using /admin/user/user/create the text in the autonodetitle field gets set as the title. Reverting to 6.x-1.16, I can confirm it works again.