PSX swap trick question--games with more than one disc

[l0sing1t]

I burned a back-up copy of my Final Fantasy VIII game. Then I used the swap trick to load it up. Eventually, I reached a point where I was prompted to "Insert Disc 2". When I inserted my back-up copy of disc 2, it then proceeded to saying "Wrong Disc". I was wondering if there was any way of bypassing this. Or perhaps the swap trick just doesn't work on games that span more than one disc. Has anyone encountered and solved this problem?