Invert Window Sensor state for ABB EnOcean Gateway

I use a ABB EnOcean EG/A32.2.1 EnOcean to KNX Gateway, a wonderful device, but I ran into an issue where a Eltako FTKE door window sensor (F6-10-00) reported 0 - Close; 1 - Open
And an STM 250 window sensor (D5-00-01) reports 1 = Closed; 0 -  Open.

So Home Assistant sees Window Open when magnet contact closed and visa versa.

Not wanting to fiddle with Home Assistant code this time, but it turns out that after pairing the EnOcean contact you get two status_contacts, one enabled and one disabled, if you switch them around you have a device with inverted values, happy days!

The first is with inverted instance enabled, the last the default.