An apparatus for stabilizing printed products being transported in a conveying stream over a distance hanging from clamps of a conveying device for transferring the printed products into a processing unit, wherein the clamps are of at least two parts including a clamp part which is movably controlled for opening and closing the clamp, and wherein between spaced-apart printed products a guide arrangement is provided which travels with the printed products and prevents a deflection of the printed products. The guide arrangement which includes the stabilizing elements is fastened at least to an immovable clamp part which interacts with the moveable clamp part, wherein the guide arrangement is moveable from an ineffective position into a support position behind the printed products which are being transported in the conveying direction.