diff --git a/doc/api/buffer.markdown b/doc/api/buffer.markdown
index 1da5bb83cb4303..a7698b9d18e020 100644
--- a/doc/api/buffer.markdown
+++ b/doc/api/buffer.markdown
@@ -351,7 +351,7 @@ for (var i = 0; i < str.length ; i++) {
   buf[i] = str.charCodeAt(i);
 }
 
-console.log(buf);
+console.log(buf.toString('ascii'));
   // Prints: Node.js
 ```