diff --git a/flake.lock b/flake.lock
index 3a0ee96..a768a1d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -729,13 +729,13 @@
         "revCount": 867,
         "submodules": true,
         "type": "git",
-        "url": "https://github.com/Open-Wine-Components/umu-launcher/?dir=packaging/nix"
+        "url": "https://github.com/Open-Wine-Components/umu-launcher/"
       },
       "original": {
         "dir": "packaging/nix",
         "submodules": true,
         "type": "git",
-        "url": "https://github.com/Open-Wine-Components/umu-launcher/?dir=packaging/nix"
+        "url": "https://github.com/Open-Wine-Components/umu-launcher/"
       }
     },
     "xwayland-satellite-stable": {
diff --git a/hosts/little-lightning/configuration.nix b/hosts/little-lightning/configuration.nix
index d68dda9..b6a26ef 100644
--- a/hosts/little-lightning/configuration.nix
+++ b/hosts/little-lightning/configuration.nix
@@ -3,10 +3,8 @@
   # $ nix-env -qaP | grep wget
   environment.systemPackages = [ ];
 
-  nix.settings = {
-    experimental-features = [ "nix-command" "flakes" ];
-    auto-optimise-store = true;
-  };
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  nix.optimise.automatic = true;
 
   environment.shells = with pkgs; [ bashInteractive zsh fish ];