diff --git a/src/ocrmypdf/_plugin_manager.py b/src/ocrmypdf/_plugin_manager.py
index ba867525..13802f12 100644
--- a/src/ocrmypdf/_plugin_manager.py
+++ b/src/ocrmypdf/_plugin_manager.py
@@ -21,7 +21,7 @@ import importlib.util
 import sys
 from functools import partial
 from pathlib import Path
-from typing import Callable, List, Tuple
+from typing import Callable, List, Tuple, Union
 
 import pluggy
 
@@ -64,7 +64,9 @@ class OcrmypdfPluginManager(pluggy.PluginManager):
         )
 
 
-def _setup_plugins(pm: pluggy.PluginManager, plugins: List[str], builtins: bool = True):
+def _setup_plugins(
+    pm: pluggy.PluginManager, plugins: List[Union[str, Path]], builtins: bool = True
+):
     pm.add_hookspecs(pluginspec)
 
     if builtins:
@@ -75,7 +77,7 @@ def _setup_plugins(pm: pluggy.PluginManager, plugins: List[str], builtins: bool
     else:
         all_plugins = plugins
     for name in all_plugins:
-        if name.endswith('.py'):
+        if isinstance(name, Path) or name.endswith('.py'):
             # Import by filename
             module_name = Path(name).stem
             spec = importlib.util.spec_from_file_location(module_name, name)
diff --git a/tests/test_main.py b/tests/test_main.py
index 712753fe..65c33e39 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -256,7 +256,7 @@ def test_missing_docinfo(resources, outpdf):
         'eng',
         '--skip-text',
         '--plugin',
-        'tests/plugins/tesseract_noop.py',
+        Path('tests/plugins/tesseract_noop.py'),
     )
     assert result == ExitCode.ok