diff --git a/lib/pool.js b/lib/pool.js
index 82594ecb2..b13138a43 100644
--- a/lib/pool.js
+++ b/lib/pool.js
@@ -611,7 +611,7 @@ function handleMinerMethod(method, params, ip, portData, sendReply, pushMessage,
             job = miner.validJobs[miner.validJobs.length-1];
 
             if (!job){
-                sendReply({code: -32503, message: "Invalid job id"}, null, 'submit');
+                sendReply(null,"stale", 'submit');
                 return;
             }