diff --git a/inventory/host_vars/proxy03.rdu3.fedoraproject.org b/inventory/host_vars/proxy03.rdu3.fedoraproject.org
index 3a70280f05..f85dbce1ab 100644
--- a/inventory/host_vars/proxy03.rdu3.fedoraproject.org
+++ b/inventory/host_vars/proxy03.rdu3.fedoraproject.org
@@ -1,5 +1,5 @@
 ---
-datacenter: rdu3
+datacenter: rdu3-iso
 dns1: 10.16.163.33
 dns2: 10.16.163.34
 dns_search1: "vpn.fedoraproject.org"