kudzu illegal instruction at startup

[Gianluca Cecchi <gianluca cecchi gmail com>]

hello,
when kudzu starts it gives 

Checking for hardware changes/etc/rc.d/init.d/kudzu: line 23:  3937 Illegal instruction     /sbin/kudzu $KUDZU_ARGS
                                                           [FAILED]
in "start" function there is 

/sbin/kudzu $KUDZU_ARGS -z || /sbin/kudzu $KUDZU_ARGS

instead of typical

       /usr/sbin/kudzu $KUDZU_ARGS -t 30

            if [ "$RETVAL" -eq 5 ]; then
              echo -n $"Hardware configuration timed out."
              echo -n $"Run '/usr/sbin/kudzu' from the command line to re-detect."
              initlog -n kudzu -s $"Hardware configuration timed out."
              initlog -n kudzu -s $"Run '/usr/sbin/kudzu' from the command line to re-detect."
          fi

Any reason for that?
Gianluca