diff --git a/picard/log.py b/picard/log.py
index b2b1b25580..47a4b77861 100644
--- a/picard/log.py
+++ b/picard/log.py
@@ -36,7 +36,7 @@
 import logging
 from pathlib import (
     Path,
-    PurePosixPath,
+    PurePath,
 )
 from threading import Lock
 
@@ -200,7 +200,7 @@ def name_filter(record):
     # way that the final `__init__.py` file is removed.
     if len(parts) > 1 and parts[-1] + '.zip' == parts[-2]:
         del parts[-1]
-    record.name = str(PurePosixPath(*parts))
+    record.name = str(PurePath(*parts))
     return True
 
 
diff --git a/test/test_log.py b/test/test_log.py
index bdfad8cfa6..6ab2630258 100644
--- a/test/test_log.py
+++ b/test/test_log.py
@@ -288,7 +288,7 @@ class NameFilterTestRelWin(PicardTestCase):
     def test_1(self):
         record = FakeRecord(name=None, pathname='C:/path1/path2/module/file.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, 'module/file')
+        self.assertEqual(record.name, 'module\\file')
 
     def test_2(self):
         record = FakeRecord(name=None, pathname='C:/path1/path2/module/__init__.py')
@@ -298,7 +298,7 @@ def test_2(self):
     def test_3(self):
         record = FakeRecord(name=None, pathname='C:/path1/path2/module/subpath/file.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, 'module/subpath/file')
+        self.assertEqual(record.name, 'module\\subpath\\file')
 
     def test_4(self):
         record = FakeRecord(name=None, pathname='')
@@ -308,43 +308,43 @@ def test_4(self):
     def test_5(self):
         record = FakeRecord(name=None, pathname='C:/path1/path2/__init__/module/__init__.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '__init__/module')
+        self.assertEqual(record.name, '__init__\\module')
 
     def test_plugin_path_long_1(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = True
         record = FakeRecord(name=None, pathname='C:/user/picard/plugins/path3/plugins/plugin.zip')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/user/picard/plugins/path3/plugins/plugin')
+        self.assertEqual(record.name, '\\user\\picard\\plugins\\path3\\plugins\\plugin')
 
     def test_plugin_path_long_2(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = True
         record = FakeRecord(name=None, pathname='C:/user/picard/plugins/path3/plugins/plugin.zip/xxx.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/user/picard/plugins/path3/plugins/plugin.zip/xxx')
+        self.assertEqual(record.name, '\\user\\picard\\plugins\\path3\\plugins\\plugin.zip\\xxx')
 
     def test_plugin_path_short_1(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = False
         record = FakeRecord(name=None, pathname='C:/user/picard/plugins/path3/plugins/plugin.zip')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, 'plugins/path3/plugins/plugin')
+        self.assertEqual(record.name, 'plugins\\path3\\plugins\\plugin')
 
     def test_plugin_path_short_2(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = False
         record = FakeRecord(name=None, pathname='C:/user/picard/plugins/path3/plugins/plugin.zip/xxx.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, 'plugins/path3/plugins/plugin.zip/xxx')
+        self.assertEqual(record.name, 'plugins\\path3\\plugins\\plugin.zip\\xxx')
 
     def test_plugin_path_short_3(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = False
         record = FakeRecord(name=None, pathname='C:/user/picard/plugins/path3/plugins/myplugin.zip/myplugin.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, 'plugins/path3/plugins/myplugin.zip')
+        self.assertEqual(record.name, 'plugins\\path3\\plugins\\myplugin.zip')
 
     def test_plugin_path_short_4(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = False
         record = FakeRecord(name=None, pathname='C:/user/picard/plugins/path3/plugins/myplugin.zip/__init__.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, 'plugins/path3/plugins/myplugin.zip')
+        self.assertEqual(record.name, 'plugins\\path3\\plugins\\myplugin.zip')
 
 
 @unittest.skipUnless(IS_WIN, "Windows test")
@@ -355,17 +355,17 @@ class NameFilterTestAbsWin(PicardTestCase):
     def test_1(self):
         record = FakeRecord(name=None, pathname='C:/path/module/file.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/path/module/file')
+        self.assertEqual(record.name, '\\path\\module\\file')
 
     def test_2(self):
         record = FakeRecord(name=None, pathname='C:/path/module/__init__.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/path/module')
+        self.assertEqual(record.name, '\\path\\module')
 
     def test_3(self):
         record = FakeRecord(name=None, pathname='C:/path/module/subpath/file.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/path/module/subpath/file')
+        self.assertEqual(record.name, '\\path\\module\\subpath\\file')
 
     def test_4(self):
         record = FakeRecord(name=None, pathname='')
@@ -376,37 +376,37 @@ def test_plugin_path_long_1(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = True
         record = FakeRecord(name=None, pathname='C:/path1/path2/plugins/plugin.zip')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/path1/path2/plugins/plugin')
+        self.assertEqual(record.name, '\\path1\\path2\\plugins\\plugin')
 
     def test_plugin_path_long_2(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = True
         record = FakeRecord(name=None, pathname='C:/path1/path2/plugins/plugin.zip/xxx.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/path1/path2/plugins/plugin.zip/xxx')
+        self.assertEqual(record.name, '\\path1\\path2\\plugins\\plugin.zip\\xxx')
 
     def test_plugin_path_short_1(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = False
         record = FakeRecord(name=None, pathname='C:/path1/path2/plugins/plugin.zip')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/path1/path2/plugins/plugin')
+        self.assertEqual(record.name, '\\path1\\path2\\plugins\\plugin')
 
     def test_plugin_path_short_2(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = False
         record = FakeRecord(name=None, pathname='C:/path1/path2/plugins/plugin.zip/xxx.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/path1/path2/plugins/plugin.zip/xxx')
+        self.assertEqual(record.name, '\\path1\\path2\\plugins\\plugin.zip\\xxx')
 
     def test_plugin_path_short_3(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = False
         record = FakeRecord(name=None, pathname='C:/path1/path2/plugins/myplugin.zip/myplugin.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/path1/path2/plugins/myplugin.zip')
+        self.assertEqual(record.name, '\\path1\\path2\\plugins\\myplugin.zip')
 
     def test_plugin_path_short_4(self):
         DebugOpt.PLUGIN_FULLPATH.enabled = False
         record = FakeRecord(name=None, pathname='C:/path1/path2/plugins/myplugin.zip/__init__.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/path1/path2/plugins/myplugin.zip')
+        self.assertEqual(record.name, '\\path1\\path2\\plugins\\myplugin.zip')
 
 
 @unittest.skipUnless(IS_WIN, "Windows test")
@@ -417,4 +417,4 @@ class NameFilterTestEndingSlashWin(PicardTestCase):
     def test_1(self):
         record = FakeRecord(name=None, pathname='C:/path3/module/file.py')
         self.assertTrue(name_filter(record))
-        self.assertEqual(record.name, '/path3/module/file')
+        self.assertEqual(record.name, '\\path3\\module\\file')