diff --git a/src/frontend/mame/luaengine.ipp b/src/frontend/mame/luaengine.ipp
index d6ca0e981a0..8d51fb0a092 100644
--- a/src/frontend/mame/luaengine.ipp
+++ b/src/frontend/mame/luaengine.ipp
@@ -268,8 +268,8 @@ bool sol_lua_check(sol::types<osd_file::error>, lua_State *L, int index, Handler
 // map_handler_type customisation
 int sol_lua_push(sol::types<map_handler_type>, lua_State *L, map_handler_type &&value);
 
-// endianness customisation
-int sol_lua_push(sol::types<map_handler_type>, lua_State *L, map_handler_type &&value);
+// endianness_t customisation
+int sol_lua_push(sol::types<endianness_t>, lua_State *L, endianness_t &&value);
 
 
 template <typename T>
diff --git a/src/frontend/mame/luaengine_input.cpp b/src/frontend/mame/luaengine_input.cpp
index 866117a29b2..2e13262db78 100644
--- a/src/frontend/mame/luaengine_input.cpp
+++ b/src/frontend/mame/luaengine_input.cpp
@@ -144,7 +144,7 @@ void lua_engine::initialize_input(sol::table &emu)
 	ioport_manager_type["count_players"] = &ioport_manager::count_players;
 	ioport_manager_type["type_group"] = &ioport_manager::type_group;
 	ioport_manager_type["type_seq"] =
-		[this] (ioport_manager &im, ioport_type type, int player, std::string const &seq_type_string)
+		[] (ioport_manager &im, ioport_type type, int player, std::string const &seq_type_string)
 		{
 			input_seq_type seq_type = s_seq_type_parser(seq_type_string);
 			return im.type_seq(type, player, seq_type);