Proposed is a cartridge system for making a beverage, the cartridge system being insertable into a beverage preparation machine and comprising a cartridge that includes a reservoir filled with a beverage substance; and a cartridge receptacle; the cartridge receptacle includes a mixing chamber fluidically connectable to the reservoir, and a fluid feed line extending into the mixing chamber; characterized in that the cartridge system comprises an intermediate cap, the cartridge includes a first connection means, the intermediate cap includes a first mating connection means that is complementary to the first connection means, and the first mating connection means is connected to the first connection means.