Device for preparing a beverage provided with a preparation unit with a supply to receive a charge of ground coffee or water soluble powder or beverage concentrate, a water supply device (3, 13) and an outlet opening, a control unit connected with the preparation unit for carrying out, in at least two consecutive preparation cycles (B1, B2), the steps of: - charging of the preparation unit with ground coffee, beverage powder or beverage concentrate, - supply of water to the preparation unit, and - dispensing beverage through the outlet opening, an operating unit being connected to the control unit to receive user input, the outlet opening flowing into a storage tank which is provided with a dispenser for dispensing the beverage into a container, characterised the control unit is adapted for receiving, via an operating unit, a user selection of a relatively small or a relatively large consumption volume, wherein the relatively large consumption volume exceeds a maximum volume of beverage that can be prepared in the preparation unit in a preparation cycle, wherein the control unit is adapted for, every time the relatively large consumption volume is selected, operating the water supply device (3,13) and the preparation unit for at least two consecutive preparation cycles (B1, B2) in such a way that said relatively large consumption volume of beverage is supplied to the storage tank and where the entire content of the storage tank is dispensed to the container at such a flow rate or after a specific time (Tds) after the time (Tbsl) of commencement of dispensing of beverage from the preparation unit to the storage tank in the first preparation cycle, that the volume of the beverage formed in at least two consecutive preparation cycles is supplied to the container in a virtually constant and uninterrupted flow via the dispenser of the storage tank. a preparation unit with a supply to receive a charge of ground coffee or water soluble powder or beverage concentrate, a water supply device (3, 13) and an outlet opening, a control unit connected with the preparation unit for carrying out, in at least two consecutive preparation cycles (B1, B2), the steps of: - charging of the preparation unit with ground coffee, beverage powder or beverage concentrate, - supply of water to the preparation unit, and - dispensing beverage through the outlet opening, - charging of the preparation unit with ground coffee, beverage powder or beverage concentrate, - supply of water to the preparation unit, and - dispensing beverage through the outlet opening, an operating unit being connected to the control unit to receive user input, the outlet opening flowing into a storage tank which is provided with a dispenser for dispensing the beverage into a container, characterised the control unit is adapted for receiving, via an operating unit, a user selection of a relatively small or a relatively large consumption volume, wherein the relatively large consumption volume exceeds a maximum volume of beverage that can be prepared in the preparation unit in a preparation cycle, wherein the control unit is adapted for, every time the relatively large consumption volume is selected, operating the water supply device (3,13) and the preparation unit for at least two consecutive preparation cycles (B1, B2) in such a way that said relatively large consumption volume of beverage is supplied to the storage tank and where the entire content of the storage tank is dispensed to the container at such a flow rate or after a specific time (Tds) after the time (Tbsl) of commencement of dispensing of beverage from the preparation unit to the storage tank in the first preparation cycle, that the volume of the beverage formed in at least two consecutive preparation cycles is supplied to the container in a virtually constant and uninterrupted flow via the dispenser of the storage tank.