A filling machine for filling product into a packaging container comprises; at least one filling nozzle for ejection of liquid in a first general direction into the packaging container, wherein the filling nozzle is arranged in a dishbox having an opening through which the product may be ejected towards a package provided in a volume, wherein the opening may selectively be sealed by a sealing valve having a valve body with a portion dimensioned to be inserted in said opening. In the inventive filling machine a recess is arranged in an upper surface of the volume such that the valve body is at least partly insertable in the recess in the rest position.