Toggle Deferred Items on Forecast View?

Even though most of the time I prefer having only due items on my Forecast view, quite often I want to see deferred items in there as well. Being a keyboard person, I wish there was a way to set a hotkey for that operation.
Unable to find one (am I missing something?), I came up with this KM macro:

  • ^F triggers my Forecast perspective (default value is ⌘4)