An inserting apparatus for placing a product in an envelope is provided with a discharge path. The discharge path is provided with a skewed roller conveyer which comprises a plurality of rollers arranged at an angle relative to the discharge conveying direction, to align the envelopes along a stop extending in the conveying direction of the roller conveyer. The discharge path is provided with at least one pressing device extending above the roller conveyor to press envelopes towards the roller conveyor, the pressing device comprising at least one array of vertically moveable, rotatable balls. The roller conveyor is provided with at least one endless transport belt for the envelopes, extending opposite the at least one pressing device, the endless belt extending substantially transversally with respect to the rollers.