diff --git a/flake.nix b/flake.nix
index 81dcb89e5da313551a3998f4beff0882b6821281..3229691a3cbb1ac498d9a981d5f3c99763f2ed99 100644
--- a/flake.nix
+++ b/flake.nix
@@ -149,6 +149,8 @@
         # Deprecated but ... :shrug:
         ANDROID_HOME = ANDROIDSDK;
 
+        ANDROID_PLATFORM_VERSION = "${platformVersion}";
+
         buildInputs = with pkgs; [
           gradle-wrapper
           ant