diff --git a/partner-simplepay.js b/partner-simplepay.js
index 456f5b7..214b28a 100644
--- a/partner-simplepay.js
+++ b/partner-simplepay.js
@@ -377,6 +377,14 @@ function createReverseHttpServer() {
             rc = '40';
         }
 
+        if ((typeof qs.balance === 'string') && qs.balance && aaa.updateBalance) {
+            const balance = qs.balance.replace(/\D/g, '');
+            if (balance) {
+                aaa.updateBalance(balance);
+            }
+        }
+
+
         const sn = (rc === '00') ? _createSnFromReverseReport(qs) : null;
         let msg = [
             qs.diag,