diff --git a/vars/fedora-22.yml b/vars/fedora-22.yml
index f12a394c2..cf6afd780 100644
--- a/vars/fedora-22.yml
+++ b/vars/fedora-22.yml
@@ -14,3 +14,6 @@ mysql_service: mariadb
 apache_log: /var/log/httpd/access_log
 sshd_service: sshd
 systemd_location: /usr/lib/systemd/system
+# To upgrade OS's own Calibre to something much better:
+calibre_via_debs: False
+calibre_via_python: True