diff --git a/.config/linux/nix/desktop/configuration.nix b/.config/linux/nix/desktop/configuration.nix
index f6a3d9e..3e6d9fb 100644
--- a/.config/linux/nix/desktop/configuration.nix
+++ b/.config/linux/nix/desktop/configuration.nix
@@ -156,6 +156,7 @@
 
 	# Nix.
 	nixpkgs.config.allowUnfree = true;
+	nix.settings.auto-optimise-store = true;
 
 	# Do not touch ever.
 	system.stateVersion = "23.11";