The invention relates to a roof antenna (1) for mounting on a roof (2) of a vehicle, said roof antenna (1) having a base plate (7) and an antenna cover (3) that can be connected to the base plate (7). A printed circuit board (4) with antenna elements and at least one plug connection (5) is arranged under the antenna cover (3). The base plate (7) has detent hooks (11) for pre-attaching on the roof (2) and fixing means for a final assembly, said fixing means being designed as a central dome (6) with a screw thread and a star handle (12) that interacts with the dome (6).