diff --git a/test/py/tests/test_fs/conftest.py b/test/py/tests/test_fs/conftest.py
index 43eeb4be0b..745ed0ed38 100644
--- a/test/py/tests/test_fs/conftest.py
+++ b/test/py/tests/test_fs/conftest.py
@@ -143,6 +143,8 @@ def mk_fs(config, fs_type, size, id):
         mkfs_opt = '-F 16'
     elif fs_type == 'fat32':
         mkfs_opt = '-F 32'
+    elif fs_type == 'ext4':
+        mkfs_opt = '-O ^metadata_csum'
     else:
         mkfs_opt = ''