diff --git a/include/boost/fusion/algorithm/iteration/accumulate.hpp b/include/boost/fusion/algorithm/iteration/accumulate.hpp
index 2b5cb12d..7b848e26 100644
--- a/include/boost/fusion/algorithm/iteration/accumulate.hpp
+++ b/include/boost/fusion/algorithm/iteration/accumulate.hpp
@@ -9,6 +9,7 @@
 #define FUSION_ACCUMULATE_09172005_1032
 
 #include <boost/fusion/algorithm/iteration/detail/fold.hpp>
+#include <boost/fusion/iterator/equal_to.hpp>
 #include <boost/fusion/sequence/intrinsic/size.hpp>
 
 namespace boost { namespace fusion
@@ -40,7 +41,7 @@ namespace boost { namespace fusion
           , fusion::end(seq)
           , state
           , f
-          , is_same<
+          , result_of::equal_to<
                 typename result_of::begin<Sequence>::type
               , typename result_of::end<Sequence>::type>()
         );
@@ -55,7 +56,7 @@ namespace boost { namespace fusion
           , fusion::end(seq)
           , state
           , f
-          , is_same<
+          , result_of::equal_to<
                 typename result_of::begin<Sequence const>::type
               , typename result_of::end<Sequence const>::type>()
         );
diff --git a/include/boost/fusion/algorithm/iteration/fold.hpp b/include/boost/fusion/algorithm/iteration/fold.hpp
index 2189203b..279daa1c 100644
--- a/include/boost/fusion/algorithm/iteration/fold.hpp
+++ b/include/boost/fusion/algorithm/iteration/fold.hpp
@@ -10,6 +10,7 @@
 
 #include <boost/fusion/algorithm/iteration/detail/fold.hpp>
 #include <boost/fusion/sequence/intrinsic/size.hpp>
+#include <boost/fusion/iterator/equal_to.hpp>
 #include <boost/static_assert.hpp>
 
 namespace boost { namespace fusion
@@ -41,7 +42,7 @@ namespace boost { namespace fusion
           , fusion::end(seq)
           , state
           , f
-          , is_same<
+          , result_of::equal_to<
                 typename result_of::begin<Sequence>::type
               , typename result_of::end<Sequence>::type>()
         );
@@ -56,7 +57,7 @@ namespace boost { namespace fusion
           , fusion::end(seq)
           , state
           , f
-          , is_same<
+          , result_of::equal_to<
                 typename result_of::begin<Sequence const>::type
               , typename result_of::end<Sequence const>::type>()
         );