A combustion-operated setting tool for driving in fastening elements includes a propellant container receptacle (16) for receiving a propellant container (20), a connection element (14) provided in the propellant container receptacle (16) for connection with the propellant container (20), a propellant conduit (15) for connecting the connection element (14) with the tool combustion chamber (12), a metering device (13) for controlling flow of propellant from the connection element (14) to the combustion chamber, and a damping arrangement (30) for damping the metering device (13).