Index: boost/assign/list_of.hpp
===================================================================
--- boost/assign/list_of.hpp	(revision 73097)
+++ boost/assign/list_of.hpp	(working copy)
@@ -430,7 +430,11 @@
             return range( boost::begin(r), boost::end(r) );
         }
 
+#ifdef BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS
         template< class Container >
+#else
+        template< class Container, class Dummy = typename Container::difference_type >
+#endif
         operator Container() const
         {
             return this-> BOOST_NESTED_TEMPLATE convert_to_container<Container>();