An arrangement for dispensing an additive into a liquid stream is provided. The arrangement includes a conduit for guiding a liquid stream and a dosing device. An opening is provided through a wall of the conduit. The dosing device is arranged at the opening of the conduit for dispensing an additive into the stream through the opening. The dosing device extends above the conduit. The conduit and the dosing device are arranged such that a vertical distance is defined between the dosing device and the liquid stream to prevent direct contact between them when in use. A refrigerator door that includes the arrangement and a method of dispensing an additive into a liquid stream are also provided.