Autohint don't look at zones in the custom parameters

3.0.3 (3078)

If I have a blue zone for small caps in there (cause still format 2), then autohinting doesn’t put the ghost hints and all as it should in the small caps. It behaves as if they were no zones.

The parameter is supposed to be converted to a metrics on opening the file. Can you send me the file that I can have a look?