diff --git a/partner-masterpulsa-voucher.js b/partner-masterpulsa-voucher.js
index d8d82dc..b9064a8 100644
--- a/partner-masterpulsa-voucher.js
+++ b/partner-masterpulsa-voucher.js
@@ -145,14 +145,17 @@ function getST24ResponseCode(supplierResponseCode) {
         supplierResponseCode = '0' + supplierResponseCode;
     }
 
-    if (['00', '13', '14', '47', '68'].indexOf(supplierResponseCode) >= 0) {
+    if (supplierResponseCode == '05') {
+        st24rc = '40';
+    }
+    else if (['00', '13', '14', '47', '68'].indexOf(supplierResponseCode) >= 0) {
         st24rc = supplierResponseCode;
     }
     else if (['15', '56'].indexOf(supplierResponseCode) >= 0) {
         // nomor tidak valid
         st24rc = '14';
     }
-    else if (['05', '18', '63', '68'].indexOf(supplierResponseCode) >= 0) {
+    else if (['18', '63', '68'].indexOf(supplierResponseCode) >= 0) {
         st24rc = '68';
     }
     else if (supplierResponseCode == '67') {