diff --git a/nix/os/devices/steveej-t480s-work/system.nix b/nix/os/devices/steveej-t480s-work/system.nix
index 7d3aa74..30b26d5 100644
--- a/nix/os/devices/steveej-t480s-work/system.nix
+++ b/nix/os/devices/steveej-t480s-work/system.nix
@@ -11,8 +11,14 @@ in {
   networking.hostName = "steveej-t480s-work"; # Define your hostname.
 
   # Used for testing local Openshift clusters
-  environment.etc."NetworkManager/dnsmasq.d/tectonic.conf".text = ''
-    server=/openshift.testing/192.168.126.1
+  environment.etc."NetworkManager/dnsmasq.d/openshift.conf".text =
+    let
+      openshiftClusterName = "openshift-steveej";
+      openshiftDomain = "openshift.testing";
+      openshiftSubnetBase = "192.168.126";
+    in ''
+      server=/${openshiftDomain}/${openshiftSubnetBase}.1
+      address=/.apps.${openshiftClusterName}.${openshiftDomain}/${openshiftSubnetBase}.51
   '';
   networking.firewall.enable = lib.mkForce false;
   networking.firewall.checkReversePath = false;