diff --git a/inventory/host_vars/undercloud02.cloud.fedoraproject.org b/inventory/host_vars/undercloud02.cloud.fedoraproject.org
index 8797513ccf..e7fd11ef8b 100644
--- a/inventory/host_vars/undercloud02.cloud.fedoraproject.org
+++ b/inventory/host_vars/undercloud02.cloud.fedoraproject.org
@@ -8,6 +8,8 @@ volgroup: /dev/vg_guests
 eth0_ip: 172.23.0.1
 eth0_nm: 255.255.254.0
 
+main_bridge: br1
+
 ks_url: http://209.132.181.6/repo/rhel/ks/kvm-rhel-7-ext
 ks_repo: http://209.132.181.6/repo/rhel/RHEL7-x86_64/