Max date for booking does not work

Hi,

I have a site where I have a calendar with “60” given as value for the max date. Interestingly, the calendar itself does not show the dates (this is the expected behaviour), but there are slots under it, with dates more than 3 months ahead and I can still select from them and make a booking even for June.

Is this an expected behaviour, or a bug, or I’m doing something wrong?

Thanks,
Zsolt