When I try to run a workflow with PegasusLite using Mac OS workers the PegasusLite script tries to download a RHEL5 worker package:

2014-09-03 11:19:50: PegasusLite: version 4.5.0cvs
2014-09-03 11:19:50: Not creating a new work directory as it is already set to /private/var/lib/condor/dir_81970
2014-09-03 11:19:50: Pegasus binaries in /usr/bin do not match Pegasus version used for current workflow
2014-09-03 11:19:50: Downloading Pegasus worker package from http://download.pegasus.isi.edu/pegasus/4.5.0cvs/pegasus-worker-4.5.0cvs-x86_64_rhel_5.tar.gz
/var/lib/condor/dir_81970/condor_exec.exe: line 26: /private/var/lib/condor/dir_81970/pegasus-4.5.0cvs/bin/pegasus-kickstart: cannot execute binary file
2014-09-03 11:19:50: Job failed with exitcode 126
2014-09-03 11:19:50: FAILURE: Last command exited with 126
PegasusLite: exitcode 126