diff --git a/src/layouts/partial-map.html b/src/layouts/partial-map.html
index e00fc6771e..f9990cbf35 100644
--- a/src/layouts/partial-map.html
+++ b/src/layouts/partial-map.html
@@ -33,7 +33,7 @@
       <div class="flex map">
         <leaflet-map class="fit" fit-to-markers id="map" max-zoom="17">
           <leaflet-tilelayer detect-retina max-zoom="18"
-            url="http://otile1.mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.png">
+            url="https://otile1-s.mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.png">
             &copy; <a href="/copyright">OpenStreetMap contributors</a>. Tiles courtesy of <a href="http://www.mapquest.com/" target="_blank">MapQuest</a> <img src="https://developer.mapquest.com/content/osm/mq_logo.png">
           </leaflet-tilelayer>