diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index 2025e365ff..e0c4fbb0e5 100644
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -2864,6 +2864,7 @@ LuaBindings::session (lua_State* L)
 		.beginNamespace ("ARDOUR")
 		.beginClass <Session> ("Session")
 		.addFunction ("save_state", &Session::save_state)
+		.addFunction ("rename", &Session::rename)
 		.addFunction ("set_dirty", &Session::set_dirty)
 		.addFunction ("unknown_processors", &Session::unknown_processors)
 		.addFunction ("export_track_state", &Session::export_track_state)