Autorun Icon Problem

im having a weird problem
im creating a autorun usb with flash
and just adding and icon
thats simple and the solution is everywere
but
when the autorun start
windows is not showing me the icon at the screen
heres a snap

heres the .inf script:

[autorun]

open=cd.exe
icon=autorun.ico
label=CD
action=cd

the icon is being replaced with reshack
any idea how to fix this?