diff --git a/app/views/export/start.rjs b/app/views/export/start.rjs
index c0fced025..7a323b05b 100644
--- a/app/views/export/start.rjs
+++ b/app/views/export/start.rjs
@@ -43,8 +43,8 @@ page << <<EOJ
     $("viewanchor").className = "active";
     $("exportanchor").className = "";
 
+    clearBox();
     map.events.unregister("moveend", map, mapMoved);
-    box.handler.clear();
     map.removeLayer(vectors);
   }