diff --git a/doc/source/changelog.rst b/doc/source/changelog.rst
index 8f6a96b1f..018013a45 100644
--- a/doc/source/changelog.rst
+++ b/doc/source/changelog.rst
@@ -13,7 +13,7 @@ Change-log of versions
   + Uses the EXIF nomenclature where pyFAI's (default) orientation is tagged *3*
   + Offers compatibility with calibration made by Diotas (where orientation=2)
   + Expose the feature in the `calib2` GUI for custom detectors.
-  + Tutorial on the usage 
+  + Tutorial on the usage
 - Possibility to integrate in 2D any second dimension, offers the qx/qy integration among many others.
 - Support for Detris Pilatus4 detector both with Si and CdTe sensors (thanks to Max Burian)
 - Several new units have been added
diff --git a/src/pyFAI/ext/histogram.pyx b/src/pyFAI/ext/histogram.pyx
index 664952b21..ec6ae96b7 100644
--- a/src/pyFAI/ext/histogram.pyx
+++ b/src/pyFAI/ext/histogram.pyx
@@ -8,7 +8,7 @@
 #             https://github.com/silx-kit/pyFAI
 #
 #
-#    Copyright (C) 2012-2022 European Synchrotron Radiation Facility, Grenoble, France
+#    Copyright (C) 2012-2024 European Synchrotron Radiation Facility, Grenoble, France
 #
 #    Principal author:       Jérôme Kieffer (Jerome.Kieffer@ESRF.eu)
 #
@@ -38,7 +38,7 @@ Can be replaced by ``silx.math.histogramnd``.
 """
 
 __author__ = "Jérôme Kieffer"
-__date__ = "29/09/2023"
+__date__ = "09/01/2024"
 __license__ = "MIT"
 __copyright__ = "2011-2022, ESRF"
 __contact__ = "jerome.kieffer@esrf.fr"
diff --git a/src/pyFAI/io/ponifile.py b/src/pyFAI/io/ponifile.py
index dcf674910..e63899293 100644
--- a/src/pyFAI/io/ponifile.py
+++ b/src/pyFAI/io/ponifile.py
@@ -3,7 +3,7 @@
 #    Project: Azimuthal integration
 #             https://github.com/silx-kit/pyFAI
 #
-#    Copyright (C) 2015-2023 European Synchrotron Radiation Facility, Grenoble, France
+#    Copyright (C) 2015-2024 European Synchrotron Radiation Facility, Grenoble, France
 #
 #    Principal author:       Jérôme Kieffer (Jerome.Kieffer@ESRF.eu)
 #
@@ -31,12 +31,13 @@
 __author__ = "Jérôme Kieffer"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "01/12/2023"
+__date__ = "09/01/2024"
 __docformat__ = 'restructuredtext'
 
 import collections
 import time
 import json
+import pathlib
 import logging
 _logger = logging.getLogger(__name__)
 import numpy
@@ -47,7 +48,6 @@
     GeometryModel = None
 
 
-
 class PoniFile(object):
 
     def __init__(self, data=None):
@@ -63,7 +63,7 @@ def __init__(self, data=None):
             pass
         elif isinstance(data, dict):
             self.read_from_dict(data)
-        elif isinstance(data, (str,)):
+        elif isinstance(data, (str, pathlib.Path)):
             self.read_from_file(data)
         elif GeometryModel and isinstance(data, GeometryModel):
             self.read_from_geometryModel(data)
diff --git a/src/pyFAI/test/test_io.py b/src/pyFAI/test/test_io.py
index 6976f8eb6..b72949d41 100644
--- a/src/pyFAI/test/test_io.py
+++ b/src/pyFAI/test/test_io.py
@@ -32,7 +32,7 @@
 __contact__ = "Jerome.Kieffer@ESRF.eu"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "10/10/2023"
+__date__ = "09/01/2024"
 
 import unittest
 import os
@@ -42,17 +42,41 @@
 import sys
 import logging
 import json
+import pathlib
 from .utilstest import UtilsTest
 
 logger = logging.getLogger(__name__)
 pyFAI = sys.modules["pyFAI"]
 from pyFAI import io
 import pyFAI.io.spots
+from pyFAI.io.ponifile import PoniFile
 import h5py
 import fabio
 import pyFAI.azimuthalIntegrator
 
 
+class TestPoniFile(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls)->None:
+        super(TestPoniFile, cls).setUpClass()
+        cls.ponifile = UtilsTest.getimage("Pilatus1M.poni")
+
+    @classmethod
+    def tearDownClass(cls)->None:
+        super(TestPoniFile, cls).tearDownClass()
+        cls.ponifile = None
+
+    def test_filename(self):
+        poni = PoniFile(self.ponifile)
+        self.assertAlmostEqual(poni.wavelength, 1e-10, msg="wavelength matches")
+        self.assertAlmostEqual(poni.dist, 1.6, places=1, msg="dist matches")
+
+    def test_path(self):
+        poni = PoniFile(pathlib.Path(self.ponifile))
+        self.assertAlmostEqual(poni.wavelength, 1e-10, msg="wavelength matches")
+        self.assertAlmostEqual(poni.dist, 1.6, places=1, msg="dist matches")
+
+
 class TestIsoTime(unittest.TestCase):
 
     def test_get(self):
@@ -110,7 +134,7 @@ def test_NXmonopd(self):
                 self.assertTrue(numpy.allclose(a, b), msg=f"check {k}")
             elif isinstance(a, (int, float, str, tuple, type(None))):
                 self.assertEqual(a, b, k)
-            elif isinstance(a, io.ponifile.PoniFile):
+            elif isinstance(a, PoniFile):
                 self.assertEqual(a.as_dict(), b.as_dict(), "Poni matches")
             elif isinstance(a, pyFAI.method_registry.IntegrationMethod):
                 self.assertEqual(a.method, b.method, "method matches")
@@ -151,7 +175,7 @@ def test_NXcansas(self):
                 self.assertTrue(numpy.allclose(a, b), msg=f"check {k}")
             elif isinstance(a, (int, float, str, tuple, type(None))):
                 self.assertEqual(a, b, k)
-            elif isinstance(a, io.ponifile.PoniFile):
+            elif isinstance(a, PoniFile):
                 self.assertEqual(a.as_dict(), b.as_dict(), "Poni matches")
             elif isinstance(a, pyFAI.method_registry.IntegrationMethod):
                 self.assertEqual(a.method, b.method, "method matches")
@@ -280,6 +304,7 @@ def suite():
     testsuite.addTest(loader(TestHDF5Writer))
     testsuite.addTest(loader(TestFabIOWriter))
     testsuite.addTest(loader(TestSpotWriter))
+    testsuite.addTest(loader(TestPoniFile))
     return testsuite