diff --git a/samples/hello_fs.go b/samples/hello_fs.go
index 01c023c..a8e3a94 100644
--- a/samples/hello_fs.go
+++ b/samples/hello_fs.go
@@ -192,14 +192,8 @@ func (fs *HelloFS) GetInodeAttributes(
 func (fs *HelloFS) OpenDir(
 	ctx context.Context,
 	req *fuse.OpenDirRequest) (resp *fuse.OpenDirResponse, err error) {
-	// We always allow opening the root directory.
-	if req.Inode == rootInode {
-		resp = &fuse.OpenDirResponse{}
-		return
-	}
-
-	// TODO(jacobsa): Handle others.
-	err = fuse.ENOSYS
+	// Allow opening any directory.
+	resp = &fuse.OpenDirResponse{}
 	return
 }
 
diff --git a/samples/hello_fs_test.go b/samples/hello_fs_test.go
index 8511b3c..5d9750d 100644
--- a/samples/hello_fs_test.go
+++ b/samples/hello_fs_test.go
@@ -121,7 +121,7 @@ func (t *HelloFSTest) ReadDir_Dir() {
 	var fi os.FileInfo
 
 	// world
-	fi = entries[1]
+	fi = entries[0]
 	ExpectEq("world", fi.Name())
 	ExpectEq(len("Hello, world!"), fi.Size())
 	ExpectEq(0400, fi.Mode())