diff --git a/include/cereal/archives/xml.hpp b/include/cereal/archives/xml.hpp
index 87604354..747c6b5d 100644
--- a/include/cereal/archives/xml.hpp
+++ b/include/cereal/archives/xml.hpp
@@ -135,6 +135,12 @@ namespace cereal
         itsNodes.top().node->append_node( itsXML.allocate_node( rapidxml::node_data, nullptr, dataPtr ) );
       }
 
+      //! Overload for uint8_t prevents them from being serialized as characters
+      void saveValue( uint8_t const & value )
+      {
+        saveValue( static_cast<uint32_t>( value ) );
+      }
+
       //! Saves some binary data, encoded as a base64 string, with an optional name
       /*! This will create a new node, optionally named, and insert a value that consists of
           the data encoded as a base64 string */
diff --git a/sandbox.cpp b/sandbox.cpp
index 0e260313..204ad680 100644
--- a/sandbox.cpp
+++ b/sandbox.cpp
@@ -351,6 +351,12 @@ int main()
     int xxx[] = {-1, 95, 3};
     oar.saveBinaryValue( xxx, sizeof(int)*3, "xxxbinary" );
     //oar.saveBinaryValue( xxx, sizeof(int)*3 );
+
+    std::unique_ptr<Derived> d1( new Derived() );
+    std::unique_ptr<Base> d2( new Derived() );
+    oar( d1 );
+    oar( d2 );
+    oar( d2 );
   }
 
   if(false)
diff --git a/sandbox_rtti.cpp b/sandbox_rtti.cpp
index 9e1fc13a..7a9a665f 100644
--- a/sandbox_rtti.cpp
+++ b/sandbox_rtti.cpp
@@ -175,24 +175,6 @@ template <class T> void nop(T&&) {}
 
 int main()
 {
-  std::cout << std::boolalpha;
-
-  std::cout << cereal::traits::is_specialized_member_load_save<DerivedVirtual, cereal::BinaryInputArchive>() << std::endl;
-  std::cout << cereal::traits::is_specialized_member_load_save<DerivedVirtual&, cereal::BinaryInputArchive>() << std::endl;
-  //std::cout << cereal::traits::is_specialized_non_member_serialize<DerivedVirtual, cereal::BinaryInputArchive>() << std::endl;
-  //std::cout << cereal::traits::is_input_serializable<DerivedVirtual, cereal::BinaryInputArchive>() << std::endl;
-  //std::cout << cereal::traits::has_non_member_serialize<DerivedVirtual, cereal::BinaryInputArchive>() << std::endl;
-  //std::cout << cereal::traits::is_specialized_member_serialize<DerivedVirtual, cereal::BinaryInputArchive>() << std::endl;
-  std::cout << cereal::traits::has_member_serialize<DerivedVirtual, cereal::BinaryInputArchive>() << std::endl;
-
-  std::cout << "sssssssssssss" <<std::endl;
-
-  std::cout << cereal::traits::has_member_load<DerivedVirtual, cereal::BinaryInputArchive>() << std::endl;
-  //std::cout << cereal::traits::has_non_member_load<DerivedVirtual, cereal::BinaryInputArchive>() << std::endl;
-  std::cout << cereal::traits::has_member_serialize<DerivedVirtual, cereal::BinaryInputArchive>() << std::endl;
-  //std::cout << cereal::traits::has_non_member_serialize<DerivedVirtual, cereal::BinaryInputArchive>() << std::endl;
-
-
   {
     std::ofstream ostream("rtti.txt");
     cereal::BinaryOutputArchive oarchive(ostream);