Fastening element (1) for fastening cleaning implements (2) to a cleaning cart (3) with unequal height/width ratios of non-rotationally symmetric supporting tubes (4) comprising a holding section (5) for fastening the fastening element (1) and also at least one first and one second receptacle element (6, 7), wherein these receptacle elements are constructed so that cleaning implements (2) can be attached in at least two different planes.