Police have charged a man following the armed robbery of a convenience store in Nambour yesterday afternoon.

It will be alleged at 2pm a man entered the business on Coronation Avenue armed with a knife and a hammer.

The man allegedly demanded money and cigarettes from a male staff member who refused his demands.

The staff member was able to escape, locking the man inside the store until police arrived to take the man into custody.

The 43-year-old male staff member was transported to Nambour General Hospital for treatment of minor injuries.

A 21-year-old Nambour man has been charged with one count of armed robbery.

He is due to appear in Maroochydore Magistrates Court today.