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 de3e0a9eeb..f76a58d280 100644
--- a/roles/dhcp_server/files/dhcpd.conf.noc01.phx2.fedoraproject.org
+++ b/roles/dhcp_server/files/dhcpd.conf.noc01.phx2.fedoraproject.org
@@ -1926,7 +1926,7 @@ shared-network qa {
        }
           
        host cosmos02 {
-          hardware ethernet 0c:c4:7a:bc:ae:52;
+          hardware ethernet 0c:c4:7a:34:ab:90;
           fixed-address 10.5.131.202;
           option host-name "cosmos02";
           next-server 10.5.124.141;