diff --git a/include/boost/mpl/aux_/single_element_iter.hpp b/include/boost/mpl/aux_/single_element_iter.hpp
index 69eabcd..6ecd7cd 100644
--- a/include/boost/mpl/aux_/single_element_iter.hpp
+++ b/include/boost/mpl/aux_/single_element_iter.hpp
@@ -41,7 +41,7 @@ struct single_iter_base
     template< typename D >
     struct BOOST_MPL_AUX_ITERATOR_ADVANCE
     {
-        typedef plus< int_<N>,D > n_;
+        typedef plus< mpl::int_<N>,D > n_;
         typedef single_element_iter<
               T
             , BOOST_MPL_AUX_VALUE_WKND(n_)::value
@@ -53,7 +53,7 @@ struct single_iter_base
     {
         typedef typename minus<
               typename U::position
-            , int_<N>
+            , mpl::int_<N>
             >::type type;
     };
 };
diff --git a/include/boost/mpl/protect.hpp b/include/boost/mpl/protect.hpp
index 5e1ec3e..2a17974 100644
--- a/include/boost/mpl/protect.hpp
+++ b/include/boost/mpl/protect.hpp
@@ -28,7 +28,7 @@ template<
     >
 struct protect : T
 {
-    typedef protect type;
+    typedef mpl::protect type;
 };
 
 #if defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)