diff --git a/lib/pool.js b/lib/pool.js
index 54e7af85c..95630df0e 100644
--- a/lib/pool.js
+++ b/lib/pool.js
@@ -517,7 +517,7 @@ function handleMinerMethod(method, params, ip, portData, sendReply, pushMessage)
                 sendReply('Invalid job id');
                 return;
             }
-
+            params.nonce = params.nonce.replace(/\s+/, "") ;
             if (job.submissions.indexOf(params.nonce) !== -1){
                 sendReply('Duplicate share');
                 return;