diff --git a/partner-sc.js b/partner-sc.js
index 46a564e..1e3c02e 100644
--- a/partner-sc.js
+++ b/partner-sc.js
@@ -278,7 +278,7 @@ function callbackFromWebReport(status) {
     try {
         responseMessage = 
             responseMessage
-            + ' | PrevBalance: ' + status.response.PrevBalance[0];
+            + ' | PrevBalance: ' + status.response.prevbalance[0];
     }
     catch(err) {
         logger.warn('Error parsing PrevBalance from webreport advice.', {err: err});