It never hurts to double-check the wiring. If you post pics we’ll take a look.
Unlike the dimmer, the switch is supposed to auto-detect it’s configuration. It may not always do that well, though. There is a firmware update, at least in Beta, that is supposed to address this. One of the firmware addicts like @harjms or @Terk can weigh in on this.
An alternative would be to swap out the dumb switch for an Aux.