diff --git a/roles/dhcp_server/files/dhcpd.conf.noc01.iad2.fedoraproject.org b/roles/dhcp_server/files/dhcpd.conf.noc01.iad2.fedoraproject.org
index 7de619ec82..35a4762b26 100644
--- a/roles/dhcp_server/files/dhcpd.conf.noc01.iad2.fedoraproject.org
+++ b/roles/dhcp_server/files/dhcpd.conf.noc01.iad2.fedoraproject.org
@@ -543,7 +543,7 @@ host worker04-ocp {
      option subnet-mask 255.255.255.0;
 }
 host worker05-ocp {
-     hardware ethernet 24:6E:96:B1:4C:70;
+     hardware ethernet 6C:FE:54:71:23:08;
      fixed-address 10.3.163.128;
      filename "uefi/grubx64.efi";
      next-server 10.3.163.10;
@@ -1684,7 +1684,7 @@ host vmhost-iad-11-mgmt {
 }
 
 host openqa-x86-worker05 {
-     hardware ethernet ec:f4:bb:d2:25:68;
+     hardware ethernet 24:6e:96:b1:4c:70;
      fixed-address 10.3.174.25;
      filename "uefi/grubx64.efi";
      next-server 10.3.163.10;