diff --git a/sol/container_traits.hpp b/sol/container_traits.hpp
index 665a3274..09332c72 100644
--- a/sol/container_traits.hpp
+++ b/sol/container_traits.hpp
@@ -340,6 +340,21 @@ namespace sol {
 			static const bool value = sizeof(test<T>(0)) == sizeof(char);
 		};
 
+		template <typename T>
+		struct has_traits_size_test {
+		private:
+			typedef std::array<char, 1> one;
+			typedef std::array<char, 2> two;
+
+			template <typename C>
+			static one test(decltype(&C::size));
+			template <typename C>
+			static two test(...);
+
+		public:
+			static const bool value = sizeof(test<T>(0)) == sizeof(char);
+		};
+
 		template <typename T>
 		using has_clear = meta::boolean<has_clear_test<T>::value>;
 
@@ -383,7 +398,7 @@ namespace sol {
 		using has_traits_add = meta::boolean<has_traits_add_test<T>::value>;
 
 		template <typename T>
-		using has_traits_size = meta::has_size<T>;
+		using has_traits_size = meta::boolean<has_traits_size_test<T>::value>;
 
 		template <typename T>
 		using has_traits_clear = has_clear<T>;