I've the same problem but on Ubuntu Gnome 13.04 + Gnome Fallback + Compiz Workaround: use dconf-editor to change org.compiz.gwd use-metacity-theme > false
I've the same problem but on Ubuntu Gnome 13.04 + Gnome Fallback + Compiz
Workaround: use dconf-editor to change org.compiz.gwd use-metacity-theme > false