diff --git a/autohooks/plugins/ruff/ruff.py b/autohooks/plugins/ruff/ruff.py
index e03bddf..12a537f 100644
--- a/autohooks/plugins/ruff/ruff.py
+++ b/autohooks/plugins/ruff/ruff.py
@@ -37,9 +37,8 @@ def get_ruff_arguments(config: Optional[Config]) -> Iterable[str]:
     if not config:
         return DEFAULT_ARGUMENTS
 
-    ruff_config = get_ruff_config(config)
     arguments = ensure_iterable(
-        ruff_config.get_value("arguments", DEFAULT_ARGUMENTS)
+        config.get_value("arguments", DEFAULT_ARGUMENTS)
     )
 
     return arguments
diff --git a/tests/test_ruff.py b/tests/test_ruff.py
index a48fb42..83f54ed 100644
--- a/tests/test_ruff.py
+++ b/tests/test_ruff.py
@@ -34,7 +34,9 @@ def test_ruff_installed(self):
         ), patch("importlib.util.find_spec", return_value=None):
             check_ruff_installed()
 
-    def test_get_ruff_config(self):
+    def test_get_ruff_config(
+        self,
+    ):
         config_path = get_test_config_path("pyproject.test.toml")
         self.assertTrue(config_path.is_file())
 
@@ -50,12 +52,19 @@ def test_get_default_ruff_arguments(self):
         args = get_ruff_arguments(None)
         self.assertEqual(args, DEFAULT_ARGUMENTS)
 
-    def test_get_ruff_arguments(self):
+    @patch("autohooks.plugins.ruff.ruff.get_ruff_config")
+    def test_get_ruff_arguments(
+        self,
+        _get_ruff_config: MagicMock,
+    ):
         config_path = get_test_config_path("pyproject.test.toml")
         args = get_ruff_arguments(
-            load_config_from_pyproject_toml(config_path).get_config()
+            load_config_from_pyproject_toml(config_path)
+            .get_config()
+            .get("tool", "autohooks", "plugins", "ruff")
         )
         self.assertEqual(args, ["--test", "foo,bar", "--foo", "bar"])
+        _get_ruff_config.assert_not_called()
 
     @patch("autohooks.plugins.ruff.ruff.get_staged_status")
     def test_precommit_no_files(
@@ -79,7 +88,7 @@ def test_precommit_errors(
         error_mock: MagicMock,
         out_mock: MagicMock,
         ok_mock: MagicMock,
-        _get_ruff_config,
+        _get_ruff_config: MagicMock,
         get_ruff_arguments_mock: MagicMock,
     ):
         code = """import subprocess