diff --git a/rs/moq-tokio/tests/max_age.rs b/rs/moq-tokio/tests/max_age.rs
index 968f625e89..a7df20d121 100644
--- a/rs/moq-tokio/tests/max_age.rs
+++ b/rs/moq-tokio/tests/max_age.rs
@@ -65,7 +65,6 @@ async fn relay(version: moq_net::Version, javascript: Option<bool>) -> anyhow::R
 	let mut child = if let Some(publish) = javascript {
 		let script = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("../../test/max-age/client.ts");
 		let mut child = tokio::process::Command::new("bun")
-			.env("NODE_ENV", "production")
 			.arg(script)
 			.arg(url.as_str())
 			.arg(version.alpn())
diff --git a/test/max-age/client.ts b/test/max-age/client.ts
index efbb51357e..fb56b1612f 100644
--- a/test/max-age/client.ts
+++ b/test/max-age/client.ts
@@ -5,6 +5,9 @@ import { Producer } from "../../js/net/src/origin.ts";
 import * as Path from "../../js/net/src/path.ts";
 import { Milli } from "../../js/net/src/time.ts";
 
+// stdout carries the `ready` handshake to the Rust test, so library debug logs go to stderr.
+console.debug = console.error;
+
 const [address, protocol, mode] = process.argv.slice(2);
 if (!address || !protocol || !["publish", "subscribe"].includes(mode))
 	throw new Error("expected URL ALPN publish|subscribe");