Try using a B-F-H! /ubbthreads/images/graemlins/caution.gif YMMV
If it's the old style, you're out of luck as far as I know. I had a new one that was off center and I noticed the LED was movable. I thought about shimming it with a toothpick and squirting some epoxy in with a needle. It was easier to give it away.