diff --git a/servers/rest_server/includes/RESTServer.inc b/servers/rest_server/includes/RESTServer.inc
index 1262623..249ec1e 100755
--- a/servers/rest_server/includes/RESTServer.inc
+++ b/servers/rest_server/includes/RESTServer.inc
@@ -204,6 +204,9 @@ class RESTServer {
       if (!isset($sources[$key])) {
         $sources[$key] = $data;
       }
+      if (!isset($sources[$key . '-raw'])) {
+        $sources[$key . '-raw'] = $sources[$key];
+      }
     }
     // Map source data to arguments.
     $arguments = array();