Spoiler: Lost Complete Collection. How to Restore the Hidden Disc's Location.

[BluPix]

SPOILER ALERT
My question concerns the packaging for the Lost Complete Collection, specifically the location of the hidden disc. For those of you who have not yet found the hidden disc and would like to find it on your own, please navigate away from this thread. Those who have found the disc, please click the Show Spoiler link, then read on below...

[Show spoiler]I found the hidden disc (and removed it from its location), but now I'm having trouble replacing the island map to the back of the lid. The cardboard "teeth" that insert into the bottom of the lid are fraying, as are parts of the groove those teeth are to travel in. So, when I start twisting the map into the lid it doesn't stay affixed. The more I try, the more the cardboard and the teeth fray.

What have you done to successfully replace the map to the lid, as it was originally without damaging the package? I've thought about taking an X-acto blade and gently reshaping the frayed areas so that they may fit into the groove more easily, but I can't come up with anything else aside from trying the same thing (attempting to twist on the two pieces) repeatedly. (Needless to say, I've moved the disc into the main box and have no intention of ever opening the hidden compartment again. )