diff --git a/tests/test_pytypes.cpp b/tests/test_pytypes.cpp
index e1e3347181..43a0247208 100644
--- a/tests/test_pytypes.cpp
+++ b/tests/test_pytypes.cpp
@@ -977,7 +977,8 @@ TEST_SUBMODULE(pytypes, m) {
     m.def("identity_literal_percent", [](const py::typing::Literal<"\"%\""> &x) { return x; });
     m.def("identity_literal_curly_open", [](const py::typing::Literal<"\"{\""> &x) { return x; });
     m.def("identity_literal_curly_close", [](const py::typing::Literal<"\"}\""> &x) { return x; });
-    m.def("identity_literal_arrow", [](const py::typing::Literal<"\"->\""> &x) { return x; });
+    m.def("identity_literal_arrow_with_io_name",
+          [](const py::typing::Literal<"\"->\""> &x, const RealNumber &y) { return x; });
     m.def("identity_literal_arrow_with_callable",
           [](const py::typing::Callable<RealNumber(const py::typing::Literal<"\"->\""> &,
                                                    const RealNumber &)> &x) { return x; });
diff --git a/tests/test_pytypes.py b/tests/test_pytypes.py
index a6f3ca6585..9edc6ea5ec 100644
--- a/tests/test_pytypes.py
+++ b/tests/test_pytypes.py
@@ -1066,8 +1066,8 @@ def test_literal(doc):
         == 'identity_literal_curly_close(arg0: Literal["}"]) -> Literal["}"]'
     )
     assert (
-        doc(m.identity_literal_arrow)
-        == 'identity_literal_arrow(arg0: Literal["->"]) -> Literal["->"]'
+        doc(m.identity_literal_arrow_with_io_name)
+        == 'identity_literal_arrow_with_io_name(arg0: Literal["->"], arg1: Union[float, int]) -> Literal["->"]'
     )
     assert (
         doc(m.identity_literal_arrow_with_callable)