diff --git a/nixos.nix b/nixos.nix
index da0fdf5..b9779a0 100644
--- a/nixos.nix
+++ b/nixos.nix
@@ -29,6 +29,7 @@
   };
 
   # Optimize storage
+  nix.optimise.automatic = true;
   nix.settings.auto-optimise-store = true;
 
   # This value determines the NixOS release from which the default