diff --git a/modules/home/home-manager/default.nix b/modules/home/home-manager/default.nix
index 93bae2e..5f3be03 100644
--- a/modules/home/home-manager/default.nix
+++ b/modules/home/home-manager/default.nix
@@ -4,7 +4,9 @@ let
 in
 {
   systemd.user.startServices = "sd-switch";
-  programs.home-manager.enable = true;
+  programs.home-manager = {
+    enable = true;
+  };
 
   home.stateVersion = mkDefault (osConfig.system.stateVersion or "25.05");
-}
\ No newline at end of file
+}
diff --git a/modules/nixos/home-manager/default.nix b/modules/nixos/home-manager/default.nix
new file mode 100644
index 0000000..1a5a964
--- /dev/null
+++ b/modules/nixos/home-manager/default.nix
@@ -0,0 +1,6 @@
+{ ... }:
+{
+  config = {
+    home-manager.backupFileExtension = "back";
+  };
+}