diff --git a/deployments/mio-ops.nix b/deployments/mio-ops.nix
index 880b29f..f600e2d 100644
--- a/deployments/mio-ops.nix
+++ b/deployments/mio-ops.nix
@@ -14,6 +14,7 @@
     };
 
   cuallaidh = import ../hosts/cuallaidh.nix;
+  pi-ceithir = import hosts/pi-ceithir.nix;
   pi-tri = import hosts/pi-tri.nix;
 
 }
diff --git a/hosts/pi-ceithir.nix b/hosts/pi-ceithir.nix
index f84c221..d210208 100644
--- a/hosts/pi-ceithir.nix
+++ b/hosts/pi-ceithir.nix
@@ -1,14 +1,21 @@
-# NixOps configuration for pi-tri
+# NixOps configuration for pi-ceithir
 
 { config, pkgs, lib, ... }:
 
 {
   imports = [
-    ../Deployments/jormungandr-stake.nix
+    ../clusters/pi3B_rack.nix
   ];
 
+  deployment.targetHost = "10.69.0.204";
   networking.hostName = "pi-ceithir";      # Define your hostname.
 
   environment.systemPackages = with pkgs; [
   ];
+
+  nix.nixPath = [
+    "nixpkgs=https://nixos.org/channels/nixos-19.09/nixexprs.tar.xz"
+  ];
+
+  system.stateVersion = "19.09";       # The version of NixOS originally installed
 }