DNxHD CS4 issue - Zebra like appearing on over exposed footage
 

http://img210.imageshack.us/img210/304/picture1jq.png

That's a picture of the issue. When I import DNxHD footage into CS4, the over exposed areas have zebra like lines appear which don't show up in VLC or Quicktime. Anyone know what's wrong? (The Over exposure was shot like that by choice so I don't mean what's wrong in that sense.

Thanks for any help,