diff --git a/include/boost/algorithm/string/std/slist_traits.hpp b/include/boost/algorithm/string/std/slist_traits.hpp
index 13d23ac..ceddbc7 100644
--- a/include/boost/algorithm/string/std/slist_traits.hpp
+++ b/include/boost/algorithm/string/std/slist_traits.hpp
@@ -10,6 +10,7 @@
 #ifndef BOOST_STRING_STD_SLIST_TRAITS_HPP
 #define BOOST_STRING_STD_SLIST_TRAITS_HPP
 
+#include <boost/algorithm/string/config.hpp>
 #include <boost/algorithm/string/yes_no_type.hpp>
 #include <slist>
 #include <boost/algorithm/string/sequence_traits.hpp>
@@ -23,21 +24,21 @@ namespace boost {
 
         // stable iterators tester
         template<typename T, typename AllocT>
-        yes_type has_stable_iterators_tester( const std::slist<T,AllocT>* );
+        yes_type has_stable_iterators_tester( const BOOST_STD_EXTENSION_NAMESPACE::slist<T,AllocT>* );
 
         // const time insert tester
         template<typename T, typename AllocT>
-        yes_type has_const_time_insert_tester( const std::slist<T,AllocT>* );
+        yes_type has_const_time_insert_tester( const BOOST_STD_EXTENSION_NAMESPACE::slist<T,AllocT>* );
 
         // const time erase tester
         template<typename T, typename AllocT>
-        yes_type has_const_time_erase_tester( const std::slist<T,AllocT>* );
+        yes_type has_const_time_erase_tester( const BOOST_STD_EXTENSION_NAMESPACE::slist<T,AllocT>* );
 
 #else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
     
     // stable iterators trait
         template<typename T, typename AllocT>
-        class has_stable_iterators< std::slist<T,AllocT> >
+        class has_stable_iterators< BOOST_STD_EXTENSION_NAMESPACE::slist<T,AllocT> >
         {
         public:
 #if BOOST_WORKAROUND( __IBMCPP__, <= 600 )
@@ -50,7 +51,7 @@ namespace boost {
 
     // const time insert trait
         template<typename T, typename AllocT>
-        class has_const_time_insert< std::slist<T,AllocT> >
+        class has_const_time_insert< BOOST_STD_EXTENSION_NAMESPACE::slist<T,AllocT> >
         {
         public:
 #if BOOST_WORKAROUND( __IBMCPP__, <= 600 )
@@ -63,7 +64,7 @@ namespace boost {
 
     // const time erase trait
         template<typename T, typename AllocT>
-        class has_const_time_erase< std::slist<T,AllocT> >
+        class has_const_time_erase< BOOST_STD_EXTENSION_NAMESPACE::slist<T,AllocT> >
         {
         public:
 #if BOOST_WORKAROUND( __IBMCPP__, <= 600 )