diff --git a/lib/nodejs/lib/thrift/xhr_connection.js b/lib/nodejs/lib/thrift/xhr_connection.js
index 6459c900c2a..7b52e9793c8 100644
--- a/lib/nodejs/lib/thrift/xhr_connection.js
+++ b/lib/nodejs/lib/thrift/xhr_connection.js
@@ -22,6 +22,7 @@ var thrift = require('./thrift');
 
 var TBufferedTransport = require('./buffered_transport');
 var TJSONProtocol = require('./json_protocol');
+var TBinaryProtocol = require('./binary_protocol');
 var InputBufferUnderrunError = require('./input_buffer_underrun_error');
 
 var createClient = require('./create_client');
@@ -102,13 +103,17 @@ XHRConnection.prototype.flush = function() {
 
   var xreq = this.getXmlHttpRequestObject();
 
+  if (this.protocol == TBinaryProtocol) {
+    xreq.responseType = 'arraybuffer';
+  }
+
   if (xreq.overrideMimeType) {
     xreq.overrideMimeType('application/json');
   }
 
   xreq.onreadystatechange = function() {
     if (this.readyState == 4 && this.status == 200) {
-      self.setRecvBuffer(this.responseText);
+      self.setRecvBuffer(this.response);
     }
   };