Grace notes on first bar of piano staff

[Jethro Van Thuyne]

When trying to typeset grace notes on the first beat of a piano
staff, something odd happens with the left hand bass clef. First
there is a treble clef engraved, then a time signature, and only
after that a bass clef and key signature. 

right = \relative c'' 
  {
  \clef treble
  \key f \major
  \grace { c32[ d e] } f1
  }
left = \relative c 
  {
  \clef bass
  \key f \major
  f1
  }

I attached an image with the rendered result of this minimal
example. Any ideas on what I'm doing wrong?

Jethro

<<attachment: grace_notes.png>>_______________________________________________
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