useradd -N/-n bit me, Fedora hosted koji

I have been able to build RHEL packages with koji hosted on a Fedora 11 box until today.

root.log DEBUG util.py:280: Executing command: /usr/sbin/useradd -o -m -u 495 -g 491 -d /builddir -N mockbuild DEBUG util.py:256: /usr/sbin/useradd: invalid option -- N DEBUG util.py:319: Child returncode was: 2 DEBUG util.py:98: kill orphans

The only thing that changed was the syncing of RHEL 5.5 packages this morning so I guess that did it.

mock-1.0.5-1.fc11.noarch koji-1.3.2-1.fc11.noarch

Since it is my understanding kojid builds a mock config on the fly, there isn't a way to tell koji/mock to use the correct mock config is there?