AS3 SWFAddress back button doesn't work in Safari 5.03 on Mac?

I have implemented SWFAddress 2.4, it works perfectly in Chrome and Firefox on Mac. But in Safari 5.0.3 on Mac, the back button doesn't trigger the Addre开发者_JS百科ssChangeEvent. Deep linking works on Safari, just the back button doesn't.

Anyone have encountered this? Is it a bug and is there a solution?

Thanks!