diff --git a/flake.nix b/flake.nix
index 286802e..b2ae304 100644
--- a/flake.nix
+++ b/flake.nix
@@ -96,6 +96,7 @@
     in pkgs.runCommand "options.md" { buildInputs = [pkgs.python3Minimal]; } ''
       echo "Generating options.md from ${options}"
       python ${./scripts/generate-options.py} ${options} > $out
+      echo $out
     '';
 
     documentation = pkgs.stdenv.mkDerivation {