diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index cdd3dd5940..7e741e05fa 100644
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -1456,7 +1456,8 @@ LuaBindings::common (lua_State* L)
 		.beginClass <TempoMap> ("TempoMap")
 		.addFunction ("add_tempo", &TempoMap::add_tempo)
 		.addFunction ("add_meter", &TempoMap::add_meter)
-		.addFunction ("tempo_section_at_frame", &TempoMap::tempo_section_at_frame)
+		.addFunction ("tempo_section_at_frame", (TempoSection& (TempoMap::*)(framepos_t))&TempoMap::tempo_section_at_frame)
+		.addFunction ("tempo_section_at_frame", (const TempoSection& (TempoMap::*)(framepos_t) const)&TempoMap::tempo_section_at_frame)
 		.addFunction ("meter_section_at_frame", &TempoMap::meter_section_at_frame)
 		.addFunction ("meter_section_at_beat", &TempoMap::meter_section_at_beat)
 		.addFunction ("bbt_at_frame", &TempoMap::bbt_at_frame)