diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index 2f49b9cc1a..cd2302134b 100644
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -1940,6 +1940,8 @@ LuaBindings::common (lua_State* L)
 		.addFunction ("get_info", &Plugin::get_info)
 		.addFunction ("get_parameter_docs", &Plugin::get_parameter_docs)
 		.addFunction ("describe_io_port", &Plugin::describe_io_port)
+		.addFunction ("get_parameter", &Plugin::get_parameter)
+		.addFunction ("default_value", &Plugin::default_value)
 		.addRefFunction ("get_parameter_descriptor", &Plugin::get_parameter_descriptor)
 		.endClass ()
 
@@ -1972,6 +1974,7 @@ LuaBindings::common (lua_State* L)
 		.addFunction ("signal_latency", &PluginInsert::signal_latency)
 		.addFunction ("get_count", &PluginInsert::get_count)
 		.addFunction ("is_channelstrip", &PluginInsert::is_channelstrip)
+		.addFunction ("control_output", &PluginInsert::control_output)
 		.addFunction ("clear_stats", &PluginInsert::clear_stats)
 		.addRefFunction ("get_stats", &PluginInsert::get_stats)
 		.endClass ()