diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index 8b88007b9b..7b0ca08c4b 100644
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -1449,6 +1449,7 @@ LuaBindings::common (lua_State* L)
 		.addFunction ("plugin", &PluginInsert::plugin)
 		.addFunction ("activate", &PluginInsert::activate)
 		.addFunction ("deactivate", &PluginInsert::deactivate)
+		.addFunction ("enable", &PluginInsert::enable)
 		.addFunction ("strict_io_configured", &PluginInsert::strict_io_configured)
 		.addFunction ("input_map", (ARDOUR::ChanMapping (PluginInsert::*)(uint32_t) const)&PluginInsert::input_map)
 		.addFunction ("output_map", (ARDOUR::ChanMapping (PluginInsert::*)(uint32_t) const)&PluginInsert::output_map)
@@ -1463,7 +1464,7 @@ LuaBindings::common (lua_State* L)
 		.addFunction ("signal_latency", &PluginInsert::signal_latency)
 		.addFunction ("get_count", &PluginInsert::get_count)
 		.addFunction ("is_channelstrip", &PluginInsert::is_channelstrip)
-		.addFunction ("is_nonbypassable", &PluginInsert::is_channelstrip)
+		.addFunction ("is_nonbypassable", &PluginInsert::is_nonbypassable)
 		.endClass ()
 
 		.deriveWSPtrClass <ReadOnlyControl, PBD::StatefulDestructible> ("ReadOnlyControl")