Just before 8pm a man entered the Elm Street store and approached the employee at the counter.
He demanded money and threatened the 31-year-old man with a machete.
The attendant handed him a sum of cash and he ran from the shop.
He is described as approximately 180cm tall with a thin build. He was wearing a brown hooded jumper, blue pants and a balaclava.
No one was injured during this incident and investigations are continuing.
Anyone with information which could assist police with their investigations should contact Crime Stoppers anonymously via 1800 333 000 or crimestoppers.com.au 24hrs a day.
Crime Stoppers is a charitable community volunteer organisation working in partnership with the Queensland Police Service.