facter-1.7.3-1.fc20 has been submitted as an update for Fedora 20.
https://admin.fedoraproject.org/updates/facter-1.7.3-1.fc20

Any incompatible changes in 1.7 to be aware of?  The external facts support will be most welcome.

Package facter-1.7.3-1.fc20:
* should fix your issue,
* was pushed to the Fedora 20 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing facter-1.7.3-1.fc20'
as soon as you are able to.
Please go to the following url:
https://admin.fedoraproject.org/updates/FEDORA-2013-18515/facter-1.7.3-1.fc20
then log in and leave karma (feedback).

facter-1.7.4-1.fc20 has been submitted as an update for Fedora 20.
https://admin.fedoraproject.org/updates/facter-1.7.4-1.fc20

facter-1.7.4-1.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.