diff --git a/ch1-basic/ch1-06-goroutine.md b/ch1-basic/ch1-06-goroutine.md
index a197eae..b5fadb9 100644
--- a/ch1-basic/ch1-06-goroutine.md
+++ b/ch1-basic/ch1-06-goroutine.md
@@ -376,7 +376,7 @@ type gatefs struct {
 func (fs gatefs) Lstat(p string) (os.FileInfo, error) {
 	fs.enter()
 	defer fs.leave()
-	return fs.Lstat(p)
+	return fs.fs.Lstat(p)
 }
 ```