nautilus desktop folder menu bar in Gnome shell Oineric

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http://askubuntu.com – I have two Screens And I installed gnome shell in my fresh 11.10. but for some reason the nautilus menus for the desktop forder apears in mi secondary screen. this never happened in my fedora 15, don't know if it is a gnome 3.2 bug or a ubuntu oineric problem i've manage to disable it by making nautilus no handle the desktop via the gnome-tweak-tool. but that way o loose the capability to have icons on desktop. any ideas on how can i fix it, without disabling the gnome-tweak-tool option?? (HowTos)