Slide curtains show as blinds in Google Home


I have set up ‘Slide’ curtains in Home Assistant and exposed them to Google Assistant. In the Google Home app they now show up as blinds (instead of curtains). Google should be able to recognize curtains and the device class in Home Assistant is set to curtain (within Cover domain).

Can I fix this?

Well first of all some classes have different capabilities, make sure that the capabilities match up: