Single click to browse nautilus dialogue boxes

I always set my nautilus behaviour to single click to activate items, but when I click on "save as" and browse for other folders in the dialogue box, I have to dubble click to open other folders. It would be nice to be able to set that to single click as well. It would make it more consistent to be able to have the whole nautilus user interface single click, instead of a mixture of single and dubble click.