diff --git a/xmlrpc-server.js b/xmlrpc-server.js
index c070b97..290a839 100644
--- a/xmlrpc-server.js
+++ b/xmlrpc-server.js
@@ -304,11 +304,14 @@ function errorOnTopUpReport(topUpReportError) {
     }
 
     try {
-        logger.verbose('topUpReportError: ' + topUpReportError.toString());
+        logger.verbose('errorOnTopUpReport', {error: topUpReportError.toString()});
     } catch(e) { }
 
     try {
-        logger.verbose('topUpReportError response body: ' + topUpReportError.body);
+        if (topUpReportError.body) {
+            logger.verbose('errorOnTopUpReport response body: ' + topUpReportError.body);
+        }
+
     } catch(e) { }
 
     try {