Flex chart in flash cs3 mallfunction

Greeting

I’m currently loading in a Flex Chart into Flash using AS3.
So far no problem, but when I hover over the columns of my chart, the datatip pops up at totaly the wrong place…

in flex = no problem, the datatip pops up where it supposed to be…
in flash = totaly the wrong place…

Does anyone know how to solve this?

thanks!