diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index 6774b507b2..e68a73d866 100644
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -1741,6 +1741,7 @@ LuaBindings::common (lua_State* L)
 		.addRefFunction ("nth_parameter", &Plugin::nth_parameter)
 		.addFunction ("preset_by_label", &Plugin::preset_by_label)
 		.addFunction ("preset_by_uri", &Plugin::preset_by_uri)
+		.addFunction ("save_preset", &Plugin::save_preset)
 		.addFunction ("load_preset", &Plugin::load_preset)
 		.addFunction ("last_preset", &Plugin::last_preset)
 		.addFunction ("parameter_is_input", &Plugin::parameter_is_input)