diff --git a/hosts/muos/hardware-configuration.nix b/hosts/muos/hardware-configuration.nix
index bc4411c..c1c73b0 100644
--- a/hosts/muos/hardware-configuration.nix
+++ b/hosts/muos/hardware-configuration.nix
@@ -21,6 +21,8 @@
   networking.useDHCP = lib.mkDefault true;
   # networking.interfaces.enp42s0.useDHCP = lib.mkDefault true;
 
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  nixpkgs.hostPlatform = {
+    system = "x86_64-linux";
+  };
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }