diff --git a/FAQ.md b/FAQ.md
index 743e616..e3b281d 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -47,7 +47,7 @@ http.createServer(function(req, res) {
   pg.query(..., function(err, result) {
     //NOTE: error handling not present
     var json = JSON.stringify(result.rows);
-    res.writeHead(200, {'content-type':'application/json', 'content-length':json.length}); 
+    res.writeHead(200, {'content-type':'application/json', 'content-length':Buffer.byteLength(json)}); 
     res.end(json);
   });
 })