diff --git a/nixos/loki.nix b/nixos/loki.nix
index 37f5379..cb80a19 100644
--- a/nixos/loki.nix
+++ b/nixos/loki.nix
@@ -234,6 +234,11 @@
   '';
 
   nixpkgs.config.allowUnfree = true;
-  nix.gc.automatic = true;
+  nix = {
+    package = pkgs.nixFlakes;
+    extraOptions = lib.optionalString (config.nix.package == pkgs.nixFlakes)
+      "experimental-features = nix-command flakes";
+    gc.automatic = true;
+  };
   system.stateVersion = "21.05";
 }