diff --git a/lib/isocket.js b/lib/isocket.js
index 17bd477..ec191f6 100644
--- a/lib/isocket.js
+++ b/lib/isocket.js
@@ -11,11 +11,21 @@ var msgpack = require("msgpack");
 var helper = require("./helper");
 
 var emptyFunc = function(){};
+
+/**
+ * _formatSendBody
+ * @param {*} _body the body to be formatted
+ * @return {*} the body formatted
+ */
 var _formatSendBody = function(_body) {
     if(undefined === _body || null === _body) {
         return null;
     }
 
+    if(_body instanceof Date || _body instanceof Error) {
+        return _body;
+    }
+
     if(util.isArray(_body)) {
         return _body.map(function(body) {
             return _formatSendBody(body);