diff --git a/include/boost/python/args.hpp b/include/boost/python/args.hpp
index b5c27be8..c7363dbe 100644
--- a/include/boost/python/args.hpp
+++ b/include/boost/python/args.hpp
@@ -47,6 +47,21 @@ namespace detail
       }
 
       keyword elements[nkeywords];
+
+      keywords<nkeywords+1> operator,(arg const &k) const
+      {
+          keywords<nkeywords> const& l = *static_cast<keywords<nkeywords> const*>(this);
+          python::detail::keywords<nkeywords+1> res;
+          std::copy(l.elements, l.elements+nkeywords, res.elements);
+          res.elements[nkeywords] = k.elements[0];
+          return res;
+      }
+      
+      keywords<nkeywords + 1>
+      operator,(char const *name) const
+      {
+          return this->operator,(python::arg(name));
+      }
   };
   
   template <std::size_t nkeywords>
@@ -76,15 +91,6 @@ namespace detail
       }
   };
 
-  template <std::size_t nkeywords>
-  keywords<nkeywords+1> operator,(keywords<nkeywords> const& l, const keywords<1> &k)
-  {
-      python::detail::keywords<nkeywords+1> res;
-      std::copy(l.elements, l.elements+nkeywords, res.elements);
-      res.elements[nkeywords] = k.elements[0];
-      return res;
-  }
-      
 # ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
   template<typename T>
   struct is_keywords
@@ -136,16 +142,6 @@ namespace detail
 # endif 
 }
 
-namespace detail
-{
-  template <std::size_t nkeywords>
-  inline keywords<nkeywords + 1>
-  operator,(keywords<nkeywords> const& l, char *name)
-  {
-      return l.operator,(arg(name));
-  }
-}
-
 inline detail::keywords<1> args(char const* name)
 { 
     return detail::keywords<1>(name);
diff --git a/test/keywords.cpp b/test/keywords.cpp
index 04e6da32..fac0433e 100755
--- a/test/keywords.cpp
+++ b/test/keywords.cpp
@@ -93,6 +93,8 @@ BOOST_PYTHON_MODULE(keywords)
 
       .def("set", &Foo::set, (arg("a") = 0, arg("b") = 0.0, arg("n") = std::string()) )
        
+      .def("set2", &Foo::set, (arg("a"), "b", "n") )
+       
       .def("a", &Foo::geta)
       .def("b", &Foo::getb)
       .def("n", &Foo::getn)
diff --git a/test/keywords_test.py b/test/keywords_test.py
index 79cdf148..072e3f6f 100644
--- a/test/keywords_test.py
+++ b/test/keywords_test.py
@@ -48,6 +48,9 @@
 >>> f.set(1,n="1")
 >>> f.a(), f.b(), f.n()
 (1, 0.0, '1')
+>>> f.set2(b=2.0,n="2",a=2)
+>>> f.a(), f.b(), f.n()
+(2, 2.0, '2')
 
 # lets see how badly we've broken the 'regular' functions
 >>> f = Bar()