diff --git a/flake.nix b/flake.nix
index 2f71ee44..f9ac3baf 100644
--- a/flake.nix
+++ b/flake.nix
@@ -48,10 +48,14 @@
       aly = home-manager.lib.homeManagerConfiguration {
         pkgs = import nixpkgs {system = "x86_64-linux";};
         modules = [./aly.nix];
+        extraSpecialArgs = inputs;
+        backupFileExtension = "backup";
       };
       dustin = home-manager.lib.homeManagerConfiguration {
         pkgs = import nixpkgs {system = "x86_64-linux";};
         modules = [./dustin.nix];
+        extraSpecialArgs = inputs;
+        backupFileExtension = "backup";
       };
     };