diff --git a/system-config/configuration/sandbox-nathan/default.nix b/system-config/configuration/sandbox-nathan/default.nix
index de4528c..93ab3c9 100644
--- a/system-config/configuration/sandbox-nathan/default.nix
+++ b/system-config/configuration/sandbox-nathan/default.nix
@@ -35,7 +35,10 @@
   environment.shells = with pkgs; [ zsh ];
   users.defaultUserShell = pkgs.zsh;
 
-  nixpkgs.config.allowUnfree = true;
+  nixpkgs = {
+      config.allowUnfree = true;
+      hostPlatform = "x86_64-linux";
+  };
   
     # Set your time zone.
     time.timeZone = "America/Chicago";