diff --git a/flake.nix b/flake.nix
index 4689792..ab96866 100644
--- a/flake.nix
+++ b/flake.nix
@@ -5,33 +5,17 @@
       ...
     }@inputs:
     let
-      mkSystem = type: hostname: bootDisk: {
-        name = "${hostname}";
-        value = inputs.nixpkgs.lib.nixosSystem {
-          specialArgs = {
-            inherit
-              self
-              inputs
-              type
-              hostname
-              bootDisk
-              ;
-          };
-          modules = [
-            ./modules/nixos
-            ./modules/hm
-            ./hosts/common.nix
-            ./hosts/${hostname}.nix
-          ];
-        };
+      myLib = import ./lib {
+        inherit self inputs;
+        workingDir = ./.;
       };
     in
     {
       nixosConfigurations = builtins.listToAttrs [
-        (mkSystem "graphical" "nemesis"
+        (myLib.mkSystem "graphical" "nemesis"
           "nvme-nvme.c0a9-323332354536453737343334-435432303030503353534438-00000001"
         )
-        (mkSystem "headless" "apollo" "/dev/disk/by-id/nvme-eui.002538d221b47b01")
+        (myLib.mkSystem "headless" "apollo" "/dev/disk/by-id/nvme-eui.002538d221b47b01")
       ];
     };
   inputs = {
diff --git a/lib/default.nix b/lib/default.nix
new file mode 100644
index 0000000..f49dfc5
--- /dev/null
+++ b/lib/default.nix
@@ -0,0 +1,28 @@
+{
+  inputs,
+  self,
+  workingDir,
+  ...
+}:
+{
+  mkSystem = type: hostname: bootDisk: {
+    name = "${hostname}";
+    value = inputs.nixpkgs.lib.nixosSystem {
+      specialArgs = {
+        inherit
+          self
+          inputs
+          type
+          hostname
+          bootDisk
+          ;
+      };
+      modules = [
+        "${workingDir}/modules/nixos"
+        "${workingDir}/modules/hm"
+        "${workingDir}/hosts/common.nix"
+        "${workingDir}/hosts/${hostname}.nix"
+      ];
+    };
+  };
+}