diff --git a/tests/extmod/vfs_fat_oldproto.py b/tests/extmod/vfs_fat_oldproto.py
index bb8dd824cf..73983567d9 100644
--- a/tests/extmod/vfs_fat_oldproto.py
+++ b/tests/extmod/vfs_fat_oldproto.py
@@ -3,6 +3,8 @@ import uos
 import uerrno
 try:
     uos.VfsFat
+    uos.vfs_mkfs
+    uos.vfs_mount
 except AttributeError:
     print("SKIP")
     sys.exit()