I'm not on Ubuntu right now so I can't test, but try setting Text Only as your global toolbar style via System, Preferences, Menus and Toolbars.
See if this "fixes" the problem. If it does, it looks like the whole window is initialised before the settings are loaded.
I'm not on Ubuntu right now so I can't test, but try setting Text Only as your global toolbar style via System, Preferences, Menus and Toolbars.
See if this "fixes" the problem. If it does, it looks like the whole window is initialised before the settings are loaded.