A paving screed for a road paver that comprises a screed plate, a heating element and a fastening device for pressing the heating element onto the screed plate. The fastening device comprises an actuating member and an elastic element. The actuating member is configured to deflect through its operation the elastic element directly or indirectly by a predetermined amount, wherein the elastic element applies a predetermined force directly or indirectly onto the heating element and biases the heating element against the screed plate.