diff --git a/lib/nodejs/lib/thrift/transport.js b/lib/nodejs/lib/thrift/transport.js
index e918335..db3cd87 100644
--- a/lib/nodejs/lib/thrift/transport.js
+++ b/lib/nodejs/lib/thrift/transport.js
@@ -42,6 +42,7 @@
       var dat = new Buffer(data.length + residual.length);
       residual.copy(dat, 0, 0);
       data.copy(dat, residual.length, 0);
+      data = dat;
       residual = null;
     }