diff --git a/dart/freeform-gradient/shell.nix b/dart/freeform-gradient/shell.nix
index 3641971..d5ca7a9 100644
--- a/dart/freeform-gradient/shell.nix
+++ b/dart/freeform-gradient/shell.nix
@@ -5,4 +5,6 @@ let
     "https://github.com/babariviere/nixpkgs/archive/flutter-init.tar.gz") {}).flutter;
 in pkgs.mkShell {
   buildInputs = [ flutter ];
+
+  ANDROID_HOME = "${pkgs.androidsdk_9_0}/libexec/android-sdk";
 }