diff --git a/inventory/host_vars/kernel02.iad2.fedoraproject.org b/inventory/host_vars/kernel02.iad2.fedoraproject.org
index 87e09f88f3..655277e39c 100644
--- a/inventory/host_vars/kernel02.iad2.fedoraproject.org
+++ b/inventory/host_vars/kernel02.iad2.fedoraproject.org
@@ -3,5 +3,5 @@ datacenter: iad2
 dns: 10.3.163.33
 eth0_ipv4_ip: 10.3.174.130
 eth0_ipv4_gw: 10.3.174.254
-eth0_ipv4_nm: 255.255.255.0
+eth0_ipv4_nm: 24
 resolvconf: "resolv.conf/iad2"