diff --git a/doc/api/stream.md b/doc/api/stream.md
index fd70a662ac251a..94a7ccca243450 100644
--- a/doc/api/stream.md
+++ b/doc/api/stream.md
@@ -2313,7 +2313,7 @@ class ReadStream extends Readable {
     this.fd = null;
   }
   _construct(callback) {
-    fs.open(this.filename, (fd, err) => {
+    fs.open(this.filename, (err, fd) => {
       if (err) {
         callback(err);
       } else {