diff --git a/ndbioimage/__init__.py b/ndbioimage/__init__.py
index d8efcf6..28ac758 100755
--- a/ndbioimage/__init__.py
+++ b/ndbioimage/__init__.py
@@ -2,6 +2,7 @@ from __future__ import annotations
 
 import multiprocessing
 import re
+import os
 import warnings
 from abc import ABC, ABCMeta, abstractmethod
 from argparse import ArgumentParser
@@ -12,7 +13,7 @@ from importlib.metadata import version
 from itertools import product
 from numbers import Number
 from operator import truediv
-from pathlib import Path
+from pathlib import Path, PosixPath, WindowsPath, PurePath
 from traceback import print_exc
 from typing import Any, Callable, Mapping, Optional
 
@@ -132,7 +133,7 @@ class Shape(tuple):
         return tuple(self[i] for i in 'yxczt')  # type: ignore
 
 
-class CachedPath(type(Path())):
+class CachedPath(WindowsPath if os.name == 'nt' else PosixPath):
     """ helper class for checking whether a file has changed, used by OmeCache """
 
     def __init__(self, path: Path | str) -> None:
diff --git a/pyproject.toml b/pyproject.toml
index 8f5251e..0b6f830 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ndbioimage"
-version = "2024.4.1"
+version = "2024.4.2"
 description = "Bio image reading, metadata and some affine registration."
 authors = ["W. Pomp <w.pomp@nki.nl>"]
 license = "GPLv3"