diff --git a/includes/xmlrpc.inc b/includes/xmlrpc.inc
index 01ff8973fdd..4ed533c6bbf 100644
--- a/includes/xmlrpc.inc
+++ b/includes/xmlrpc.inc
@@ -369,7 +369,7 @@ function _xmlrpc() {
   }
   // Is the message a fault?
   if ($message->messagetype == 'fault') {
-    xmlrpc_error($message->faultcode, $message->faultstring);
+    xmlrpc_error($message->fault_code, $message->fault_string);
     return FALSE;
   }
   // Message must be OK