diff --git a/include/sol/reference.hpp b/include/sol/reference.hpp
index 3859beab..d5fba1d5 100644
--- a/include/sol/reference.hpp
+++ b/include/sol/reference.hpp
@@ -557,11 +557,11 @@ namespace sol {
 		}
 
 		basic_reference(const basic_reference<!main_only>& o) noexcept
-		: basic_reference(detail::pick_main_thread < main_only && !main_only > (o.lua_state(), o.lua_state()), o) {
+		: basic_reference(detail::pick_main_thread<main_only>(o.lua_state(), o.lua_state()), o) {
 		}
 
 		basic_reference(basic_reference<!main_only>&& o) noexcept
-		: stateless_reference(std::move(o)), luastate(detail::pick_main_thread<main_only && !main_only>(o.lua_state(), o.lua_state())) {
+		: stateless_reference(std::move(o)), luastate(detail::pick_main_thread<main_only>(o.lua_state(), o.lua_state())) {
 			o.luastate = nullptr;
 			o.ref = LUA_NOREF;
 		}
diff --git a/single/include/sol/sol.hpp b/single/include/sol/sol.hpp
index e3a63b79..9f986238 100644
--- a/single/include/sol/sol.hpp
+++ b/single/include/sol/sol.hpp
@@ -9142,11 +9142,11 @@ namespace sol {
 		}
 
 		basic_reference(const basic_reference<!main_only>& o) noexcept
-		: basic_reference(detail::pick_main_thread < main_only && !main_only > (o.lua_state(), o.lua_state()), o) {
+		: basic_reference(detail::pick_main_thread<main_only>(o.lua_state(), o.lua_state()), o) {
 		}
 
 		basic_reference(basic_reference<!main_only>&& o) noexcept
-		: stateless_reference(std::move(o)), luastate(detail::pick_main_thread<main_only && !main_only>(o.lua_state(), o.lua_state())) {
+		: stateless_reference(std::move(o)), luastate(detail::pick_main_thread<main_only>(o.lua_state(), o.lua_state())) {
 			o.luastate = nullptr;
 			o.ref = LUA_NOREF;
 		}