diff --git a/flake.nix b/flake.nix
index 496393c..66b86c8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,7 @@
       let
         version = "0.0.1";
         secureBoot = "false";
-        cpuArch = "intel";
+        microcode = "intel";
         updateUrl = "http://10.0.2.2:8000/";
 
         overlay = final: prev: {
@@ -51,7 +51,7 @@
         packages = {
           default = self.packages.${system}.image;
 
-          image = pkgs.callPackage ./pkgs/image { inherit version updateUrl cpuArch secureBoot; };
+          image = pkgs.callPackage ./pkgs/image { inherit version updateUrl microcode secureBoot; };
           image-aarch64 = pkgsCross.callPackage ./pkgs/image { inherit version updateUrl secureBoot; };
 
           qemu-uefi-tpm = pkgs.callPackage ./utils/qemu-uefi-tpm.nix { };
diff --git a/pkgs/image/default.nix b/pkgs/image/default.nix
index 6af3c14..863c795 100644
--- a/pkgs/image/default.nix
+++ b/pkgs/image/default.nix
@@ -4,17 +4,17 @@
   version,
   runCommand,
   updateUrl,
-  cpuArch ? "",
+  microcode ? "",
   secureBoot ? "false"
 }:
 let
   pname = "patos-image";
 in
 runCommand pname {
-  inherit version cpuArch updateUrl secureBoot;
+  inherit version microcode updateUrl secureBoot;
 
-  microcode = lib.optionalString (cpuArch == "amd") "--microcode ${pkgs.microcode-amd}/amd-ucode.img"
-      + lib.optionalString (cpuArch == "intel") "--microcode ${pkgs.microcode-intel}/intel-ucode.img";
+  mcode = lib.optionalString (microcode == "amd") "--microcode ${pkgs.microcode-amd}/amd-ucode.img"
+      + lib.optionalString (microcode == "intel") "--microcode ${pkgs.microcode-intel}/intel-ucode.img";
 
   nativeBuildInputs = with pkgs; [
     erofs-utils
@@ -184,7 +184,7 @@ ln -sf patos_$version.root.raw patos_${version}_$rootUuid.root
 ${pkgs.patos.systemd}/usr/bin/ukify build \
   --linux ${pkgs.patos.kernel}/bzImage \
   --initrd ${pkgs.patos.initrd}/initrd.xz \
-  $microcode \
+  $mcode \
   --os-release @rootfs/etc/os-release \
   --cmdline "$kernelCmdLine roothash=$roothash" \
   -o patos_${version}.efi