The Court of Appeal has ruled the owners of a central Queensland motel did not discriminate against a sex worker who was banned from the premises.

The case involves a fly-in, fly-out prostitute known only as 'GK', who was told she could not offer her services at the motel in Moranbah, north of Rockhampton, in 2010.

Last year, she won an appeal against the motel owners after her lawyer argued other guests used the phone or internet there for business so using a bed to conduct business was no different.

However, today, the .

Last November, the State Government changed the Anti-Discrimination Act to allow hoteliers to refuse guests a room if they suspect it will be used for the purpose of sex work.