diff --git a/garlic/stages/trebuchet.nix b/garlic/stages/trebuchet.nix
index 83e0dac..f08752b 100644
--- a/garlic/stages/trebuchet.nix
+++ b/garlic/stages/trebuchet.nix
@@ -20,6 +20,9 @@ stdenv.mkDerivation {
   preferLocalBuild = true;
   dontPatchShebangs = true;
   inherit nextStage;
+
+  experiment = getExperimentStage nextStage;
+
   installPhase = ''
     cat > $out <<EOF
     #!/bin/sh -e