diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index f7ac8ec633..b38df496fa 100644
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -20,6 +20,7 @@
 
 #include "timecode/bbt_time.h"
 #include "pbd/stateful_diff_command.h"
+#include "pbd/openuri.h"
 #include "evoral/Control.hpp"
 #include "evoral/ControlList.hpp"
 #include "evoral/Range.hpp"
@@ -245,6 +246,10 @@ LuaBindings::common (lua_State* L)
 {
 	luabridge::getGlobalNamespace (L)
 		.beginNamespace ("PBD")
+
+		.addFunction ("open_uri", (bool (*) (const std::string&))&PBD::open_uri)
+		.addFunction ("open_uri", &PBD::open_folder)
+
 		.beginClass <PBD::ID> ("ID")
 		.addConstructor <void (*) (std::string)> ()
 		.addFunction ("to_s", &PBD::ID::to_s) // TODO special case LUA __tostring ?