diff --git a/partner-kospinjasa.js b/partner-kospinjasa.js
index 26fd8d0..eb82dc4 100644
--- a/partner-kospinjasa.js
+++ b/partner-kospinjasa.js
@@ -40,7 +40,7 @@ function topupRequest(task, retry) {
 
     soap.createClient(config.h2h_out.partner, function(err, client) {
         var args = {
-            userName: config.h2h_out.userid,
+            userNam: config.h2h_out.userid,
             productCode: remoteProduct[0] ,
             terminal: 'terminal0',
             transactionType: '50',