diff --git a/lib/buffer.js b/lib/buffer.js
index 1fc32bfc9f3297..a2216d8f028255 100644
--- a/lib/buffer.js
+++ b/lib/buffer.js
@@ -4,6 +4,7 @@
 const binding = process.binding('buffer');
 const { isArrayBuffer } = process.binding('util');
 const bindingObj = {};
+const internalUtil = require('internal/util');
 
 class FastBuffer extends Uint8Array {}