diff --git a/flake.nix b/flake.nix
index 70d872b9..6005b264 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,6 +25,7 @@
 
           buildInputs = with pkgs; [ openssl ] ++ osxDependencies;
           nativeBuildInputs = with pkgs; [ pkg-config openssl.dev ];
+          cargoBuildFlags = [ "--package aiken" ];
 
           src = pkgs.lib.cleanSourceWith { src = self; };