The present disclosure relates to a bottle treatment machine including a pump/nozzle protector in the form of a screen. The screen includes an at least partially perforated surface and the screen is provided for passing a liquid of the bottle treatment machine therethrough. The bottle treatment machine further includes at least one scraper which rests at least partially on the at least partially perforated surface of the screen. The screen and the at least one scraper are arranged to be rotatable relative to one another. The present disclosure further relates to a method for cleaning the screen of the bottle treatment machine.