Vertifal alignment of fingering and accent

[Nick Payne]

The following puts the fingering on the d above the accent rather than
below. I've played around with various values for script-priority and
outside-staff-priority for both fingering and accent without managing to
change the order. Any suggestions on how to rearrange them to have the
fingering below the accent without resorting to tweaking both?

\version "2.13.3"
\relative c'' {
  \set fingeringOrientations = #'(left)
  \time 2/4 
  a4 <bes-3 d^4>->
}

Nick