A housing for a control device, in particular for a pneumatic control device, is disclosed. The housing comprises the following components: a housing wall, which forms a receiving space for receiving an electronic component of the control device and has at least one opening, and a flexible insulation element, which surrounds the at least one opening in such a way that the flexible insulation element, together with the housing wall, defines a sound insulation space, wherein the flexible insulation element comprises at least one element selected from the group consisting of a flexible film, a flexible textile fabric and a flexible foam layer.