diff --git a/tree/tests/tree-tests.rs b/tree/tests/tree-tests.rs
index 0b48740ed..0e94c28bd 100644
--- a/tree/tests/tree-tests.rs
+++ b/tree/tests/tree-tests.rs
@@ -7,6 +7,7 @@
 // SPDX-License-Identifier: MIT
 //
 
+mod chgrp;
 mod cp;
 mod link;
 mod ls;