The present invention relates to a device (6) and method for repairing an upright profile (2) which has been bent out of an original position, in particular a profile of a warehouse rack upright for mounting of warehouse rack girders (3), wherein an inner space (13) accessible from an open side is defined in the profile. The device comprises an outer template (7) adapted to the form of the outer surface of the profile, an inner template (16,17) adapted to the form of the inner surface, wherein during use the inner template is arranged in the inner space of the profile via the open side, and pressing means for pressing the outer template against the outer side of the profile and pressing the inner template against the inner side of the profile with pressing force such that the upright profile is bent back into its original position.