diff --git a/defaults/nix.nix b/defaults/nix.nix
index d6e87a6..55a0e70 100644
--- a/defaults/nix.nix
+++ b/defaults/nix.nix
@@ -16,7 +16,11 @@ in
 
   config = lib.mkIf cfg.enable {
     # enable useful nix tools, and the flakes system
-    nix.settings.experimental-features = "nix-command flakes";
+    nix.settings.experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
+
     # you (should) never need this
     nix.channel.enable = false;