diff --git a/tests/extmod/vfs_blockdev.py.exp b/tests/extmod/vfs_blockdev.py.exp
index e3e326dd24..1833a42f04 100644
--- a/tests/extmod/vfs_blockdev.py.exp
+++ b/tests/extmod/vfs_blockdev.py.exp
@@ -1,5 +1,5 @@
 test <class 'VfsFat'>
-(512, 512, 44, 44, 44, 0, 0, 0, 0, 255)
+(512, 512, 40, 40, 40, 0, 0, 0, 0, 255)
 [('test', 32768, 0, 90)]
 some datasome datasome datasome datasome datasome datasome datasome datasome datasome data
 test <class 'VfsLfs2'>