diff --git a/flake.nix b/flake.nix
index 4de0b44..389f261 100644
--- a/flake.nix
+++ b/flake.nix
@@ -5,6 +5,10 @@
   };
 
   outputs = { self, nixpkgs, utils }:
+    {
+      nixosModules.nix-software-center = import ./modules/default.nix;
+      nixosModules.default = self.nixosModules.nix-software-center;
+    } //
     utils.lib.eachDefaultSystem (system:
       let
         pkgs = import nixpkgs {
diff --git a/modules/default.nix b/modules/default.nix
new file mode 100644
index 0000000..d7787bf
--- /dev/null
+++ b/modules/default.nix
@@ -0,0 +1,34 @@
+{ config, lib, pkgs, ... }:
+with lib;
+let
+  cfg = config.programs.nix-software-center;
+  jsonFormat = pkgs.formats.json { };
+in
+{
+  options = {
+    programs.nix-software-center = {
+      systemconfig = mkOption {
+        type = with types; nullOr str;
+        default = null;
+          example = literalExpression ''"/etc/nixos/configuration.nix"'';
+        description = ''Where Nix Software Center looks for your system configuration.'';
+      };
+      flake = mkOption {
+        type = with types; nullOr str;
+        default = null;
+          example = literalExpression ''"/etc/nixos/flake.nix"'';
+        description = ''Where Nix Software Center looks for your system flake file.'';
+      };
+      flakearg = mkOption {
+        type = with types; nullOr str;
+        default = null;
+          example = literalExpression ''user'';
+        description = ''The flake argument to use when rebuilding the system. `nixos-rebuild switch --flake $\{programs.nix-software-center.flake}#$\{programs.nix-software-center.flakearg}`'';
+      };
+    };
+  };
+
+  config = mkIf (cfg.systemconfig != null || cfg.flake != null || cfg.flakearg != null) {
+    environment.etc."nix-software-center/config.json".source = jsonFormat.generate "config.json" cfg;
+  };
+}