diff --git a/inventory/host_vars/sign-vault01.iad2.fedoraproject.org b/inventory/host_vars/sign-vault01.iad2.fedoraproject.org
index 64c7106371..02bbfe1916 100644
--- a/inventory/host_vars/sign-vault01.iad2.fedoraproject.org
+++ b/inventory/host_vars/sign-vault01.iad2.fedoraproject.org
@@ -3,6 +3,6 @@ br0_dev: eno1
 
 br0_ip: 10.3.169.26
 br0_gw: 10.3.169.254
-br0_nm  255.255.255.0
+br0_nm:  255.255.255.0
 
 dns: 10.3.163.33