Abstract: The invention relates to a modular wall system comprising a number of mutually releasably couplable wall modules for forming in coupled state a reusable assembled wall, wherein a wall module comprises a wall part with attaching means for releasably attaching at least an exchangeable cloth along at least one side of the wall part, wherein the attaching means comprise: at least a first cloth attaching element arranged close to or on a first outer end of the wall part; at least a second cloth attaching element arranged close to or on a second, opposite outer end of the wall part; an exchangeable cloth to be attached along the at least one side of the wall part to the first and second attaching element mounted on the wall part for the purpose of providing a desired appearance on the relevant side of the wall part.