indicator on maps become black after restart

the new maps show more details, and since 0.15 indicator on maps are saved - good work! in 0.14 indicator for maps in frames (handy for locating remote bases) were lost after every restart, in 0.15 they remained green after restart - well done! in 0.16 they become black, until visited (green) - after restart black again.... is this the expected behaviour?