diff --git a/flake.nix b/flake.nix
index 6eb9779..2983743 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,7 @@
 {
     description = "NixOS configuration for GPD Win Max";
 
-    nixConfig = {
+    nixConfig = rec {
         auto-optimise-store = true;
         experimental-features = [ "nix-command" "flakes" ];
         trusted-substituters = [ 
@@ -12,6 +12,7 @@
             "https://nixos-cn.cachix.org"
             "https://cache.nixos.org/"
         ];
+        substituters = trusted-substituters;
 
         trusted-users = [
             "root"