A workaround to this is to switch desktops as you move it, which you can do with the keyboard. By default it's bound to Ctrl+Alt+Shift+arrow keys.
-- Unable to move synaptic to another workspace https://launchpad.net/bugs/36443 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs