diff --git a/index.js b/index.js
index 5c1e32b..7d950b0 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,6 @@
 'use strict'
 
+const Buffer = require('buffer').Buffer
 const types = require('./types')
 const rcodes = require('./rcodes')
 const opcodes = require('./opcodes')