diff --git a/inventory/group_vars/all b/inventory/group_vars/all
index 1de2bd0cd2..4aaadaf693 100644
--- a/inventory/group_vars/all
+++ b/inventory/group_vars/all
@@ -16,7 +16,7 @@ libdir: /usr/lib64
 # We default these to empty
 udp_ports: []
 tcp_ports: []
-
+custom_rules: []
 
 # defaults for virt installs
 ks_url: http://infrastructure.fedoraproject.org/repo/rhel/ks/kvm-rhel-6