diff --git a/include/boost/concept_check.hpp b/include/boost/concept_check.hpp
index 146ffd9..632fced 100644
--- a/include/boost/concept_check.hpp
+++ b/include/boost/concept_check.hpp
@@ -22,7 +22,7 @@
 #include <utility>
 #include <boost/type_traits/conversion_traits.hpp>
 #include <boost/static_assert.hpp>
-#include <boost/type.hpp>
+#include <boost/mpl/identity.hpp>
 
 
 #if defined(BOOST_MSVC) && BOOST_MSVC <= 1300 || defined(__BORLANDC__)
@@ -43,7 +43,7 @@ template <class T> inline void ignore_unused_variable_warning(const T&) { }
 
 // the unused, defaulted parameter is a workaround for MSVC and Compaq C++
 template <class Concept>
-inline void function_requires(type<Concept>* = 0)
+inline void function_requires(mpl::identity<Concept>* = 0)
 {
 #if !defined(NDEBUG)
   void (Concept::*x)() = BOOST_FPTR Concept::constraints;