diff --git a/lib/response.js b/lib/response.js
index 1045f4f..3389823 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -110,3 +110,6 @@ Response.prototype.write = function (res) {
         this.offset = respBody.length;
     }
 };
+
+Response.prototype.setEncoding = function () {
+};