A system for preparing a beverage comprising a beverage preparation device for preparing a beverage upon interaction of ingredients provided in a capsule with liquid supplied thereto, the device comprising an injection module comprising a first and a cooperating second enclosing member designed for being moved relatively to each other, the first enclosing member being equipped with capsule opening and injection member for opening a first inlet face of a capsule and inject liquid into the capsule, the first and second enclosing member being designed for being brought into at least a first capsule insertion position for inserting a capsule between the enclosing members and a second capsule enclosing position in which the opening and injection members engage the liquid inlet face of the capsule, the device further comprising control member designed for adapting the capsule enclosing position based on information read from the capsule and/or based on information provided by a user input and a capsule containing a predefined amount of beverage ingredients.