An interior module for a cargo space of a vehicle having a guide rail in which a guide member of an adjustable cargo space cover can be guided between a first and a second wall, wherein the first wall is formed at least in sections by a section element, and wherein the guide rail has at least a first locking section for locking the guide member in a first locking position. Furthermore, a cargo space cladding for a cargo space of a vehicle and a manufacturing method for manufacturing an interior module is provided.