diff --git a/history.js b/history.js
index 0d68c52..33a790e 100644
--- a/history.js
+++ b/history.js
@@ -188,7 +188,8 @@ function mkmap(map, newnodes, lostnodes, onlinenodes, graph, showNodeinfo, showL
     subdomains: "1234",
     type: "osm",
     attribution: "Map data Tiles &copy; <a href=\"http://www.mapquest.com/\" target=\"_blank\">MapQuest</a> <img src=\"http://developer.mapquest.com/content/osm/mq_logo.png\" />, Map data © OpenStreetMap contributors, CC-BY-SA",
-    maxZoom: 18
+    maxZoom: 19,
+    maxNativeZoom: 18
   }).addTo(map)
 
   var markersDict = addLinksToMap(map, graph, showLinkinfo)