diff --git a/public/assets/js/forms/rupiah-format.js b/public/assets/js/forms/rupiah-format.js
index e39745c..f90e5ae 100644
--- a/public/assets/js/forms/rupiah-format.js
+++ b/public/assets/js/forms/rupiah-format.js
@@ -1,24 +1,21 @@
 $(document).ready(function () {
     $(".rupiah-format").on("keyup", function (e) {
-        $(this).val(formatRupiah($(this).val(), "Rp"));
+        $(this).val(formatRupiah($(this).val(), "Rp. "));
     });
 
-    function formatRupiah(number, prefix) {
-        var numberString = number.replace(/[^,\d]/g, "").toString(),
-            split = numberString.split(","),
-            remainder = split[0].length % 3,
-            rupiah = split[0].substr(0, remainder),
-            thousands = split[0].substr(remainder).match(/\d{3}/gi);
+    function formatRupiah(angka, prefix) {
+        var number_string = angka.replace(/[^,\d]/g, "").toString(),
+            split = number_string.split(","),
+            sisa = split[0].length % 3,
+            rupiah = split[0].substr(0, sisa),
+            ribuan = split[0].substr(sisa).match(/\d{3}/gi);
 
-        if (thousands) {
-            separator = remainder ? "." : "";
-            rupiah += separator + thousands.join(".");
+        if (ribuan) {
+            separator = sisa ? "." : "";
+            rupiah += separator + ribuan.join(".");
         }
 
-        if (split[1] != undefined) {
-            rupiah = rupiah + "," + split[1].substr(0, 2);
-        }
-
-        return prefix == undefined ? rupiah : rupiah ? prefix + rupiah : "";
+        rupiah = split[1] != undefined ? rupiah + "," + split[1] : rupiah;
+        return prefix == undefined ? rupiah : rupiah ? "Rp. " + rupiah : "";
     }
 });