diff --git a/nixos.nix b/nixos.nix
index 1ceccd2..47b9159 100644
--- a/nixos.nix
+++ b/nixos.nix
@@ -204,4 +204,6 @@ let systemInformation = import ./system/system-information.nix; in
 
 	# high-resolution display
 	hardware.video.hidpi.enable = systemInformation.isHiDPI;
+
+	nix.settings.auto-optimise-store = true;
 }
\ No newline at end of file