diff --git a/inventory/host_vars/os-master03.phx2.fedoraproject.org b/inventory/host_vars/os-master03.phx2.fedoraproject.org
index 05de1979f2..d7670e2917 100644
--- a/inventory/host_vars/os-master03.phx2.fedoraproject.org
+++ b/inventory/host_vars/os-master03.phx2.fedoraproject.org
@@ -4,7 +4,7 @@ gw: 10.5.126.254
 dns: 10.5.126.21
 ks_url: http://10.5.126.23/repo/rhel/ks/kvm-rhel-7-osbs
 ks_repo: http://10.5.126.23/repo/rhel/RHEL7-x86_64/
-volgroup: /dev/vg_guests
+volgroup: /dev/vg_virthost15
 eth0_ip: 10.5.126.164
 vmhost: virthost15.phx2.fedoraproject.org
 datacenter: phx2