diff --git a/template/darwin/module/configuration.nix b/template/darwin/module/configuration.nix
index 3a048e7..352f3d4 100644
--- a/template/darwin/module/configuration.nix
+++ b/template/darwin/module/configuration.nix
@@ -6,6 +6,7 @@
     settings = {
       builders-use-substitutes = true;
       experimental-features = ["flakes" "nix-command"];
+      flake-registry = builtins.toFile "null-flake-registry.json" ''{"flakes":[],"version":2}'';
       substituters = ["https://nix-community.cachix.org"];
       trusted-public-keys = [
         "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
diff --git a/template/nixos-desktop/module/configuration.nix b/template/nixos-desktop/module/configuration.nix
index 074f203..298772f 100644
--- a/template/nixos-desktop/module/configuration.nix
+++ b/template/nixos-desktop/module/configuration.nix
@@ -22,6 +22,7 @@
     settings = {
       builders-use-substitutes = true;
       experimental-features = ["nix-command" "flakes"];
+      flake-registry = builtins.toFile "null-flake-registry.json" ''{"flakes":[],"version":2}'';
       substituters = [
         "https://nix-community.cachix.org"
       ];
diff --git a/template/nixos-minimal/module/configuration.nix b/template/nixos-minimal/module/configuration.nix
index e497868..88d46d5 100644
--- a/template/nixos-minimal/module/configuration.nix
+++ b/template/nixos-minimal/module/configuration.nix
@@ -6,6 +6,7 @@
     settings = {
       builders-use-substitutes = true;
       experimental-features = ["nix-command" "flakes"];
+      flake-registry = builtins.toFile "null-flake-registry.json" ''{"flakes":[],"version":2}'';
       substituters = [
         "https://nix-community.cachix.org"
       ];