diff --git a/devices/pc/default.nix b/devices/pc/default.nix
index f42b2e67..407397a4 100644
--- a/devices/pc/default.nix
+++ b/devices/pc/default.nix
@@ -181,14 +181,22 @@ inputs:
         (dir: { directory = "repo/${dir}"; user = "chn"; group = "chn"; mode = "0755"; })
         [ "BPD-paper" "kurumi-asmr" "BPD-paper-old" "SiC-20240705" ];
     };
-    specialisation.nvidia.configuration =
+    specialisation =
     {
-      nixos =
+      nvidia.configuration =
       {
-        hardware.gpu.type = inputs.lib.mkForce "nvidia";
-        services.gamemode.drmDevice = inputs.lib.mkForce 0;
+        nixos =
+        {
+          hardware.gpu.type = inputs.lib.mkForce "nvidia";
+          services.gamemode.drmDevice = inputs.lib.mkForce 0;
+        };
+        system.nixos.tags = [ "nvidia" ];
+      };
+      cachyos.configuration =
+      {
+        nixos.system.kernel.variant = inputs.lib.mkForce "cachyos";
+        system.nixos.tags = [ "cachyos" ];
       };
-      system.nixos.tags = [ "nvidia" ];
     };
   };
 }