diff --git a/include/boost/archive/detail/iserializer.hpp b/include/boost/archive/detail/iserializer.hpp
index 3e3eaeda..22cb4877 100644
--- a/include/boost/archive/detail/iserializer.hpp
+++ b/include/boost/archive/detail/iserializer.hpp
@@ -58,6 +58,9 @@ namespace std{
 #include <boost/mpl/empty.hpp>
 #include <boost/mpl/not.hpp>
 
+ #ifndef BOOST_SERIALIZATION_DEFAULT_TYPE_INFO   
+     #include <boost/serialization/extended_type_info_typeid.hpp>   
+ #endif 
 // the following is need only for dynamic cast of polymorphic pointers
 #include <boost/archive/detail/basic_iarchive.hpp>
 #include <boost/archive/detail/basic_iserializer.hpp>
diff --git a/include/boost/archive/detail/oserializer.hpp b/include/boost/archive/detail/oserializer.hpp
index 519cfc88..31dd3f0d 100644
--- a/include/boost/archive/detail/oserializer.hpp
+++ b/include/boost/archive/detail/oserializer.hpp
@@ -50,6 +50,9 @@
 #include <boost/mpl/empty.hpp>
 #include <boost/mpl/not.hpp>
 
+ #ifndef BOOST_SERIALIZATION_DEFAULT_TYPE_INFO   
+     #include <boost/serialization/extended_type_info_typeid.hpp>   
+ #endif 
 // the following is need only for dynamic cast of polymorphic pointers
 #include <boost/archive/detail/basic_oarchive.hpp>
 #include <boost/archive/detail/basic_oserializer.hpp>