diff --git a/test/js/bun/http/serve-http3.test.ts b/test/js/bun/http/serve-http3.test.ts
index 9869238fc1f6..e5ee69ac9d62 100644
--- a/test/js/bun/http/serve-http3.test.ts
+++ b/test/js/bun/http/serve-http3.test.ts
@@ -1016,7 +1016,9 @@ describe("Bun.serve HTTP/3 lifecycle", () => {
     `;
     await withCustomServer(script, async (port, send, waitForStderr) => {
       expect(await fetchH3(port, "/").then(r => r.text())).toBe("ok");
-      const inflight = fetchH3(port, "/stop", {
+      // The rejection can reach this thread before the STOPPED line does, so
+      // the handlers are on the promise before the wait.
+      const outcome = fetchH3(port, "/stop", {
         method: "POST",
         body: new ReadableStream({
           start(c) {
@@ -1024,10 +1026,11 @@ describe("Bun.serve HTTP/3 lifecycle", () => {
             c.close();
           },
         }),
-      });
+      })
+        .then(r => r.text())
+        .catch(e => e.code);
       await waitForStderr(/STOPPED/);
-      const outcome = await inflight.then(r => r.text()).catch(e => e.code);
-      expect(outcome).toBe("HTTP3StreamReset");
+      expect(await outcome).toBe("HTTP3StreamReset");
     });
   });