diff --git a/darwin/hardware/apple/imac/18-3/default.nix b/darwin/hosts/Plato/default.nix
similarity index 92%
rename from darwin/hardware/apple/imac/18-3/default.nix
rename to darwin/hosts/Plato/default.nix
index d952e6f..f08a03b 100644
--- a/darwin/hardware/apple/imac/18-3/default.nix
+++ b/darwin/hosts/Plato/default.nix
@@ -1,3 +1,4 @@
+# iMac 18,3 (2017)
 _: {
   networking.knownNetworkServices = [
     "Ethernet"
diff --git a/flake.nix b/flake.nix
index 11945b1..a92f51a 100755
--- a/flake.nix
+++ b/flake.nix
@@ -163,7 +163,7 @@
       };
 
     mkDarwin = system: modules:
-      inputs.nixpkgs.lib.nixosSystem {
+      inputs.nix-darwin.lib.darwinSystem {
         inherit system modules;
         specialArgs = {inherit inputs;};
       };
@@ -214,7 +214,7 @@
         ./users/guanranwang/darwin/profiles/device-type/desktop
         ./users/guanranwang/darwin/profiles/opt-in/clash-meta-client.nix
 
-        ./darwin/hardware/apple/imac/18-3
+        ./darwin/hosts/Plato
 
         {
           networking.hostName = "Plato";