A beverage-making machine comprising an outer casing, a beverage dispensing unit and a tray arranged below the beverage dispensing unit, wherein the tray comprises: - a vessel for collecting waste liquids; the vessel comprising a bottom, a plurality of sides projecting from the bottom and defining a peripheral edge, support structures arranged on the bottom, each support structure comprising a contact portion; - a movable support designed to be removably attached to the vessel and configured to support a container adapted to receive the beverage dispensed by the beverage dispensing unit; the movable support comprising a flat portion, walls projecting from the flat portion and a first and a second bearing portions (16, 17) on at least one wall; - attachment members (11, 15, 32) configured to removably attach the movable support to the vessel; the movable support being able to reversibly alternate between a raised configuration, in which the first bearing portion of the movable support contacts the peripheral edge of the vessel and the attachment members (11, 15, 32) are attached, and a lowered configuration, in which the second bearing portion of the movable support contacts the peripheral edge of the vessel and at least part of the attachment members (11, 15, 32) is released, characterized in that the attachment members comprise: - a connecting element which connects the vessel to the movable support; - vessel-attaching members which attach the connecting element to the vessel; - movable support-attaching members which attach the movable support to the connecting element. - a vessel for collecting waste liquids; the vessel comprising a bottom, a plurality of sides projecting from the bottom and defining a peripheral edge, support structures arranged on the bottom, each support structure comprising a contact portion; - a movable support designed to be removably attached to the vessel and configured to support a container adapted to receive the beverage dispensed by the beverage dispensing unit; the movable support comprising a flat portion, walls projecting from the flat portion and a first and a second bearing portions (16, 17) on at least one wall; - attachment members (11, 15, 32) configured to removably attach the movable support to the vessel; the movable support being able to reversibly alternate between a raised configuration, in which the first bearing portion of the movable support contacts the peripheral edge of the vessel and the attachment members (11, 15, 32) are attached, and a lowered configuration, in which the second bearing portion of the movable support contacts the peripheral edge of the vessel and at least part of the attachment members (11, 15, 32) is released, characterized in that the attachment members comprise: - a connecting element which connects the vessel to the movable support; - vessel-attaching members which attach the connecting element to the vessel; - movable support-attaching members which attach the movable support to the connecting element. - a connecting element which connects the vessel to the movable support; - vessel-attaching members which attach the connecting element to the vessel; - movable support-attaching members which attach the movable support to the connecting element.