diff --git a/partner-kospinjasa.js b/partner-kospinjasa.js
index 48d8ee5..b9c4a2e 100644
--- a/partner-kospinjasa.js
+++ b/partner-kospinjasa.js
@@ -55,7 +55,7 @@ function topupRequest(task, retry) {
         args.signature = signature;
 
         logger.info('Requesting to service', {url: config.h2h_out.partner, args: args});
-        client.billpayment(args, function(err, result) {
+        client.apih2h.billpayment(args, function(err, result) {
             if (err) {
                 logger.warn('Error requesting service', {err: err});
                 callbackReport(task.requestId, '68', 'something wrong');