A load carrier foot for mounting a load carrier bar on a vehicle roof includes a foot part having an upper end attached to the load carrier bar, and a lower end mounted on a roof edge area. The foot part is secured to the roof by a clamping plate gripping a body fold. The clamping plate has a tightening mechanism and a pivot pin in pivotable engagement with the foot part. The foot part and the clamping plate are each provided with contact faces above and below the pivot pin, which interact in a locking manner to prevent the clamping plate from turning about the pivot pin and losing a grip on the body fold when the clamping plate is tightened against the foot part.