diff --git a/inventory/host_vars/mailman01.phx2.fedoraproject.org b/inventory/host_vars/mailman01.phx2.fedoraproject.org
index bf386f8b7a..1e45bac384 100644
--- a/inventory/host_vars/mailman01.phx2.fedoraproject.org
+++ b/inventory/host_vars/mailman01.phx2.fedoraproject.org
@@ -8,3 +8,4 @@ volgroup: /dev/vg_virthost
 eth0_ip: 10.5.126.36
 vmhost: virthost17.phx2.fedoraproject.org
 datacenter: phx2
+lvm_size: 750000