A method of producing a pack of smoking articles includes providing a pre-assembled pack of smoking articles comprising an inner pack having a flexible sheet in which a group of smoking articles is wrapped or enclosed and a re-closable flap movable between a closed position preventing access to the smoking articles and an open position for accessing the smoking articles, and an outer pack comprising a container which holds and substantially encompasses the inner pack, the outer pack having a lid in a closed position preventing access to the inner pack; creating a space or gap between the lid of the outer pack and the inner pack; and attaching the re-closable flap of the inner pack to the lid of the outer pack via and/or through the space or gap. An apparatus for producing a pack of smoking articles per the above method is also provided.