diff --git a/android/default.nix b/android/default.nix
index 06387df6..4b8e6f05 100644
--- a/android/default.nix
+++ b/android/default.nix
@@ -24,9 +24,7 @@
 in {
 	# Configure system.
 	time.timeZone    = const.timeZone;
-	nix.settings = {
-		experimental-features = [ "nix-command " "flakes" ];
-	};
+	nix.extraOptions = "experimental-features nix-command flakes";
 
 	# Install packages.
 	environment.packages = package.list;