diff --git a/include/boost/fusion/sequence/comparison/less_equal.hpp b/include/boost/fusion/sequence/comparison/less_equal.hpp
index 6e940a21..bef72271 100644
--- a/include/boost/fusion/sequence/comparison/less_equal.hpp
+++ b/include/boost/fusion/sequence/comparison/less_equal.hpp
@@ -46,14 +46,14 @@ namespace boost { namespace fusion
         }
 
         template <typename Seq1, typename Seq2>
-        inline typename disable_if<detail::is_native_fusion_sequence<Seq2>, bool>::type
+        inline typename disable_if<traits::is_native_fusion_sequence<Seq2>, bool>::type
         operator<=(sequence_base<Seq1> const& a, Seq2 const& b)
         {
             return less_equal(a.derived(), b);
         }
 
         template <typename Seq1, typename Seq2>
-        inline typename disable_if<detail::is_native_fusion_sequence<Seq1>, bool>::type
+        inline typename disable_if<traits::is_native_fusion_sequence<Seq1>, bool>::type
         operator<=(Seq1 const& a, sequence_base<Seq2> const& b)
         {
             return less_equal(a, b.derived());