[phenixbb] changing project directory

Hi all, I have project data on external hard drives. As I use several different file systems, and mount the drives in random order, I cannot rely on the device being mounted in the same mount point. In order to keep paths consistent, I link the project directories into my home. This used to work fine. I recently created a project, and phenix seemed to have used the real path instead of the link-path (That's not the problem, yet). I tried to manually edit ~/.phenix/project_db.phil, but it still tries to write in a non-existing directory. A naive 'grep -R "disk-1" ~/.phenix' did not reveal any obvious file either. Where can I change the directory associated with a project {per,con}sistently? Thanks for your time, Jens