A beverage dispenser (11) is disclosed for use in combination with a water cooler, wherein the water cooler comprises a cooling device (5) and a water bottle (1) and the beverage dispenser is intended to be positioned between the cooling device and the water bottle. The beverage dispenser comprises: a dispensing station (18), a dedicated water nozzle (17) for dispensing water at the dispensing station, a conduit (13) for supply of water from the water cooler to the water nozzle, a connector (22) for attachment to a container (12) comprising concentrate, a dedicated concentrate nozzle (16) for dispensing concentrate to the dispensing station, a conduit (23) for supply of concentrate from the container to the concentrate nozzle, and wherein the water nozzle and the concentrate nozzle are arranged such that water dispensed from the water nozzle and concentrate dispensed from the concentrate nozzle intersect, and wherein the angle (β) of the concentrate nozzle relative to the horizontal is from 25° to 90°, and the angle (α) of the water nozzle relative to the horizontal is from 45° to 90°.