Jury Duty - Not

I don't know why, but I' m a bit disappointed. I received a notice that I had been selected for jury duty, but when I called this evening to get my time tomorrow, the recorded voice told me I wasn't needed. I know jury duty is a pain, but having lived in a country where fair trials are a myth, I was actually looking forward to it! Oh well, I guess if I keep voting eventually they'll call again, right?