number-up=2, openoffice, and cups

[Matt Price <matt.price@utoronto.ca>]

one more printing problem with cups before I switch to lpr
(hopefully)...  I'm having trouble printing multiple pages/printed
page using openoffice.  I'm running sid/i386 using CUPS.  Normal
printing (1 page/page) works fine with OOo and with other programs.  2
pages/page works fine from the command line (haven't tested it with
other programs) with the command:

lp -o number-up=2 FILE

However, the same command fails when executed from OOo.  

any clues?

thx,

matt