diff --git a/app/views/site/index.html.erb b/app/views/site/index.html.erb
index 5d78b2340..b668627a0 100644
--- a/app/views/site/index.html.erb
+++ b/app/views/site/index.html.erb
@@ -150,7 +150,8 @@ end
           cookieLifetime : 1000, 
           cookiePath : "/my/map/", 
           permalinkURL : "http://www.openstreetmap.org/", 
-          theme : "/stylesheets/openstreetbugs.css" 
+          theme : "/stylesheets/openstreetbugs.css",
+          visibility : false 
       });
 
       map.addLayer(map.osbLayer);