diff --git a/roles/dhcp_server/files/dhcpd.conf.noc01.phx2.fedoraproject.org b/roles/dhcp_server/files/dhcpd.conf.noc01.phx2.fedoraproject.org
index 79beea7653..de3e0a9eeb 100644
--- a/roles/dhcp_server/files/dhcpd.conf.noc01.phx2.fedoraproject.org
+++ b/roles/dhcp_server/files/dhcpd.conf.noc01.phx2.fedoraproject.org
@@ -1921,12 +1921,12 @@ shared-network qa {
        filename "pxelinux.0";
 
        host cosmos02-mgmt {
-          hardware ethernet  OC:C4:7A:36:F2:AA;
+          hardware ethernet  0c:c4:7a:36:f2:aa;
           fixed-address 10.5.131.211;
        }
           
        host cosmos02 {
-          hardware ethernet 0C:C4:7A:BC:AE:52;
+          hardware ethernet 0c:c4:7a:bc:ae:52;
           fixed-address 10.5.131.202;
           option host-name "cosmos02";
           next-server 10.5.124.141;