I did the same with a Trangia and it worked splendidly until the gasket developed a crack. We then had a situation where the methyl alcohol seeped into the cooking pot, but evaporated, evidently leaving some nasties behind. We cooked in that pot one evening at base camp. Two of us were OK, but a gorgeous young lady to whom I was showing the ropes was unable to continue. She was able to descend the next day and recovered. I attribute her illness to the residue from the evaporated alcohol in the cook pot, although a definitive diagnosis was never made. Too bad, could have been a beautiful relationship...