diff --git a/lib/kml/lat_lon_box.rb b/lib/kml/lat_lon_box.rb
index e67c425..d1b17d2 100644
--- a/lib/kml/lat_lon_box.rb
+++ b/lib/kml/lat_lon_box.rb
@@ -29,7 +29,7 @@ def render(xm=Builder::XmlMarkup.new(:indent => 2))
         xm.south(south)
         xm.east(east)
         xm.west(west)
-        xm.rotation unless rotation.nil?
+        xm.rotation(rotation) unless rotation.nil?
       }
     end
   end