diff --git a/hosts/hardware/FredOS-Gaming.nix b/hosts/hardware/FredOS-Gaming.nix
index 64d5306..8ffc8bd 100644
--- a/hosts/hardware/FredOS-Gaming.nix
+++ b/hosts/hardware/FredOS-Gaming.nix
@@ -36,7 +36,7 @@
 
   swapDevices = [ ];
 
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  nixpkgs.stdenv.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
   networking.hostName = "FredOS-Gaming";
 
diff --git a/hosts/hardware/FredOS-Macbook.nix b/hosts/hardware/FredOS-Macbook.nix
index 7b15780..812b23b 100644
--- a/hosts/hardware/FredOS-Macbook.nix
+++ b/hosts/hardware/FredOS-Macbook.nix
@@ -28,7 +28,7 @@
 
   swapDevices = [ ];
 
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  nixpkgs.stdenv.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
   networking.hostName = "FredOS-Macbook";
   hardware.enableRedistributableFirmware = true;
diff --git a/hosts/hardware/FredOS-Mediaserver.nix b/hosts/hardware/FredOS-Mediaserver.nix
index 5afbd2f..1bf16a5 100644
--- a/hosts/hardware/FredOS-Mediaserver.nix
+++ b/hosts/hardware/FredOS-Mediaserver.nix
@@ -52,7 +52,7 @@
 
   swapDevices = [ ];
 
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  nixpkgs.stdenv.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
   networking.hostName = "FredOS-Mediaserver";