Mine

bobby:/media/extra/MP3/Albums/Zero 7 - Simple Things$ flac mp3-hifi && flac -sdc 01\ -\ I\ Have\ Seen.flac | lame - test.mp3

flac 1.1.2, Copyright (C) 2000,2001,2002,2003,2004,2005  Josh Coalson
flac comes with ABSOLUTELY NO WARRANTY.  This is free software, and you are
welcome to redistribute it under certain conditions.  Type `flac' for details.

options: -P 4096 -b 4608 -m -l 8 -q 0 -r 3,3
ERROR: can't open input file mp3-hifi