diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7477740..471af7f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -89,7 +89,7 @@ repos:
     hooks:
       - id: python_file_name_check
         name: "Python: File name check"
-        entry: "python ./src/precommithooks/__main__.py"
+        entry: "python ./src/precommithooks/checknames.py"
         language: python
         pass_filenames: true
         types: [file, python]
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 1325143..392e18d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -89,7 +89,7 @@ pyproject-api==1.6.1
     # via tox
 pyproject-hooks==1.0.0
     # via build
-pytest==8.1.2
+pytest==8.2.0
     # via
     #   pytest-cov
     #   pytest-pretty
diff --git a/src/precommithooks/__init__.py b/src/precommithooks/__init__.py
index 235ca74..1cc1778 100644
--- a/src/precommithooks/__init__.py
+++ b/src/precommithooks/__init__.py
@@ -1,4 +1,5 @@
 """Precommithooks package."""
 
-from .__main__ import Mode as Mode
-from .__main__ import check_names as check_names
+from .checknames import Mode as Mode
+from .checknames import check_names as check_names
+from .checknames import main as main
diff --git a/src/precommithooks/__main__.py b/src/precommithooks/checknames.py
similarity index 92%
rename from src/precommithooks/__main__.py
rename to src/precommithooks/checknames.py
index dc59067..8028136 100644
--- a/src/precommithooks/__main__.py
+++ b/src/precommithooks/checknames.py
@@ -86,7 +86,7 @@ def check_names(  # noqa: C901, PLR0912
     return ExitCode.OK
 
 
-def main(argv: Sequence[str] | None = None) -> int:
+def main() -> int:
     """Get files from passed argument."""
     parser = argparse.ArgumentParser()
     parser.add_argument(
@@ -112,7 +112,7 @@ def main(argv: Sequence[str] | None = None) -> int:
         action="store_true",
         help="Ignore test files",
     )
-    args = parser.parse_args(argv)
+    args = parser.parse_args()
     mode = Mode.NON_STRICT
     short_name_limit = (
         int(args.short_name_limit)
@@ -121,14 +121,12 @@ def main(argv: Sequence[str] | None = None) -> int:
     )
     if args.strict:
         mode = Mode.STRICT
-    if argv is not None:
-        return check_names(
-            args.filenames,
-            short_name_limit=short_name_limit,
-            ignore_test_files=args.ignore_test_files,
-            mode=mode,
-        )
-    return ExitCode.OK
+    return check_names(
+        args.filenames,
+        short_name_limit=short_name_limit,
+        ignore_test_files=args.ignore_test_files,
+        mode=mode,
+    )
 
 
 if __name__ == "__main__":