diff --git a/include/boost/typeof/native.hpp b/include/boost/typeof/native.hpp
index e52d1d4..f4a70c8 100755
--- a/include/boost/typeof/native.hpp
+++ b/include/boost/typeof/native.hpp
@@ -24,7 +24,7 @@ namespace boost { namespace type_of {
 namespace boost { namespace type_of {
 # ifdef BOOST_NO_SFINAE
     template<class T> 
-    T& encode(const T&);
+    T& ensure_obj(const T&);
 # else	
     template<typename T>
         typename enable_if<is_function<T>, T&>::type