diff --git a/nixos/desktop/configuration.nix b/nixos/desktop/configuration.nix
index 7869f06..0023d66 100644
--- a/nixos/desktop/configuration.nix
+++ b/nixos/desktop/configuration.nix
@@ -180,6 +180,7 @@
     #noto-fonts-emoji
   ];
 
+  nix.settings.auto-optimise-store = true;
   nixpkgs.config.allowUnfree = true;
   programs.steam = {
     enable = true;