diff --git a/include/mapnik/json/geojson_generator.hpp b/include/mapnik/json/geojson_generator.hpp
index acc644eb1..ac342b6af 100644
--- a/include/mapnik/json/geojson_generator.hpp
+++ b/include/mapnik/json/geojson_generator.hpp
@@ -29,6 +29,7 @@
 
 #include <boost/scoped_ptr.hpp>
 #include <string>
+#include <iterator>
 
 namespace mapnik { namespace json {