diff --git a/src/c3nav/site/static/site/js/c3nav.js b/src/c3nav/site/static/site/js/c3nav.js
index 7184bba7..6072c31a 100644
--- a/src/c3nav/site/static/site/js/c3nav.js
+++ b/src/c3nav/site/static/site/js/c3nav.js
@@ -16,6 +16,11 @@ c3nav = {
         L.tileLayer('/map/7/{z}/{x}/{y}.png', {
             bounds: c3nav.bounds
         }).addTo(c3nav.map);
+        window.setTimeout(c3nav.refresh_tile_access, 16000);
+    },
+    refresh_tile_access: function() {
+        $.ajax('/map/tile_access');
+        window.setTimeout(c3nav.refresh_tile_access, 16000);
     }
 };