diff --git a/deadcode/actions/parse_arguments.py b/deadcode/actions/parse_arguments.py
index 9524048..0a8a91b 100644
--- a/deadcode/actions/parse_arguments.py
+++ b/deadcode/actions/parse_arguments.py
@@ -225,6 +225,9 @@ def parse_arguments(args: list[str] | None) -> Args:
     for key, item in parse_pyproject_toml().items():
         if key not in parsed_args:
             continue
+        if isinstance(parsed_args[key], bool):
+            parsed_args[key] = bool(item)
+            continue
         if isinstance(item, str) and isinstance(parsed_args[key], list):
             item = [item]
         parsed_args[key].extend(item)
diff --git a/tests/cli_args/test_parsing.py b/tests/cli_args/test_parsing.py
index 930f272..8f5b72f 100644
--- a/tests/cli_args/test_parsing.py
+++ b/tests/cli_args/test_parsing.py
@@ -238,6 +238,19 @@ def test_sys_argv_used_when_no_arguments_provided(monkeypatch: pytest.MonkeyPatc
     assert args.count is True
 
 
+def test_boolean_pyproject_setting_enables_flag(tmp_path, monkeypatch: pytest.MonkeyPatch):
+    # Having
+    (tmp_path / 'pyproject.toml').write_text('[tool.deadcode]\nfix = true\ncount = true\n')
+    monkeypatch.chdir(tmp_path)
+
+    # When
+    args = parse_arguments(['foo.py'])
+
+    # Then
+    assert args.fix is True
+    assert args.count is True
+
+
 def test_unknown_pyproject_setting_is_ignored(tmp_path, monkeypatch: pytest.MonkeyPatch):
     # Having
     (tmp_path / 'pyproject.toml').write_text('[tool.deadcode]\nunknown_setting = true\n')