diff --git a/examples/server/bench/script.js b/examples/server/bench/script.js
index a4f5ac5ab..dc41e8d93 100644
--- a/examples/server/bench/script.js
+++ b/examples/server/bench/script.js
@@ -87,6 +87,7 @@ export default function () {
         ],
         "model": model,
         "stream": false,
+        "seed": 42,
         "max_tokens": max_tokens
     }