What you did is correct, it is just missing a small part.
Your problem is that QGIS 'thinks' that your image is in wgs84 as there comes no projection information with it. Go into the properties for the file (in QGIS) and set the crs and voila!
Also make sure that your project ks set to using a CRS (you probably also wants UTM32N there)
(I do not have ...