diff --git a/shared/hardware/nvidia.nix b/shared/hardware/nvidia.nix
index a7ce749..f2cb840 100644
--- a/shared/hardware/nvidia.nix
+++ b/shared/hardware/nvidia.nix
@@ -14,4 +14,9 @@
 
   services.xserver.videoDrivers = [ "nvidia" ];
   boot.kernelPackages = pkgs.linuxPackages_xanmod_latest;
+
+  nix.settings = {
+    substituters = [ "https://nix-community.cachix.org" ];
+    trusted-public-keys = [ "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=" ];
+  };
 }