diff --git a/include/mapnik/util/geometry_wkt_generator.hpp b/include/mapnik/util/geometry_wkt_generator.hpp
index 5ed05b991..1df025648 100644
--- a/include/mapnik/util/geometry_wkt_generator.hpp
+++ b/include/mapnik/util/geometry_wkt_generator.hpp
@@ -202,8 +202,7 @@ template <typename OutputIterator, typename GeometryContainer>
 struct wkt_multi_generator :
         karma::grammar<OutputIterator, karma::locals< std::tuple<unsigned,bool> >, GeometryContainer const& ()>
 {
-    typedef GeometryContainer geometry_contaner;
-    typedef boost::remove_pointer<typename geometry_container::value_type>::type geometry_type;
+    typedef typename boost::remove_pointer<typename GeometryContainer::value_type>::type geometry_type;
 
     wkt_multi_generator();
     // rules