diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index 61e3f817a5..75dacad86f 100644
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -762,11 +762,13 @@ void
 LuaBindings::osc (lua_State* L)
 {
 	luabridge::getGlobalNamespace (L)
+		.beginNamespace ("ARDOUR")
 		.beginNamespace ("LuaOSC")
 		.beginClass<LuaOSC::Address> ("Address")
 		.addConstructor<void (*) (std::string)> ()
 		.addCFunction ("send", &LuaOSC::Address::send)
 		.endClass ()
+		.endNamespace ()
 		.endNamespace ();
 }
 
diff --git a/scripts/osc_hook_example.lua b/scripts/osc_hook_example.lua
index 4b1619bf0e..6d8feda8a5 100644
--- a/scripts/osc_hook_example.lua
+++ b/scripts/osc_hook_example.lua
@@ -28,7 +28,7 @@ end
 function factory (params)
 	return function (signal, ref, ...)
 		local uri = params["unique"] or "osc.udp://localhost:7890"
-		local tx = LuaOSC.Address (uri)
+		local tx = ARDOUR.LuaOSC.Address (uri)
 		-- debug print (stdout)
 		-- print (signal, ref, ...)