A dishwasher comprising liquid lines that guide washing liquor towards spray devices arranged inside a washing receptacle. In an exemplary embodiment, the dishwasher includes a switch-over element, upon actuation of which, the washing liquor may be guided to a first liquid line leading to a first spray device, and/or to a second liquid line leading to a second spray device. The dishwasher may include at least one supplementary filter associated with the switch-over element.