diff --git a/include/pybind11/stl.h b/include/pybind11/stl.h
index 721bb669f0..2ff65b16a4 100644
--- a/include/pybind11/stl.h
+++ b/include/pybind11/stl.h
@@ -144,7 +144,15 @@ template <typename Type, typename Value> struct list_caster {
     using value_conv = make_caster<Value>;
 
     bool load(handle src, bool convert) {
+#if 1
         if (!isinstance<sequence>(src) || isinstance<str>(src))
+#else
+        if (!isinstance<sequence>(src) || (
+#if PY_MAJOR_VERSION >= 3
+            !isinstance<bytes>(src) &&
+#endif
+            isinstance<str>(src)))
+#endif
             return false;
         auto s = reinterpret_borrow<sequence>(src);
         value.clear();
diff --git a/tests/test_stl.cpp b/tests/test_stl.cpp
index 0590162770..14ecd35ee4 100644
--- a/tests/test_stl.cpp
+++ b/tests/test_stl.cpp
@@ -291,6 +291,9 @@ TEST_SUBMODULE(stl, m) {
     m.def("func_with_string_or_vector_string_arg_overload", [](std::list<std::string>) { return 2; });
     m.def("func_with_string_or_vector_string_arg_overload", [](std::string) { return 3; });
 
+    // #1807: 2.3.0 regression: <class 'bytes'> is not converted to std::vector<uint8_t> anymore
+    //m.def("func_with_vector_uint8_t_arg", [](std::vector<uint8_t> v) { return v.size(); });
+
     class Placeholder {
     public:
         Placeholder() { print_created(this); }
diff --git a/tests/test_stl.py b/tests/test_stl.py
index 330017544d..ff6f910d69 100644
--- a/tests/test_stl.py
+++ b/tests/test_stl.py
@@ -245,6 +245,13 @@ def test_function_with_string_and_vector_string_arg():
     assert m.func_with_string_or_vector_string_arg_overload("A") == 3
 
 
+#def test_bytes_to_vector_uint8_t():
+#    """Check if a bytes is implicitly converted to std::vector<uint8_t>, issue #1807"""
+#    assert m.func_with_vector_uint8_t_arg([ord(c) for c in b'abc']) == 3
+#    with pytest.raises(TypeError):
+#        m.func_with_vector_uint8_t_arg('stringval')
+
+
 def test_stl_ownership():
     cstats = ConstructorStats.get(m.Placeholder)
     assert cstats.alive() == 0