A mixing faucet includes a body part (2), where a rotatable swivel tap (4) is mounted on said body part, and where a rotatable valve spindle (6) is mounted in said body part for an adjustment of the feeding of cold and hot water, respectively. The rotatable valve spindle (6) is according to the invention equipped with a projecting arm (8) engaging a groove in a slide (10) on the side of the body part (2). The resulting mixing faucet is much easier to handle than hitherto known.