diff --git a/lib/map.js b/lib/map.js
index bc91664..e38f936 100644
--- a/lib/map.js
+++ b/lib/map.js
@@ -245,7 +245,7 @@ define(["map/clientlayer", "map/labelslayer",
       var layers = config.mapLayers.map(function (d) {
         return {
           "name": d.name,
-          "layer": "url" in d ? L.tileLayer(d.url, d.config) : console.warn("Missing map url")
+          "layer": "url" in d ? L.tileLayer(d.url.replace("{retina}", L.Browser.retina ? '@2x' : ''), d.config) : console.warn("Missing map url")
         };
       });