diff --git a/ckanext/reclinepreview/theme/public/vendor/recline/recline.js b/ckanext/reclinepreview/theme/public/vendor/recline/recline.js
index 6dcfd79141a..4de27defa8b 100644
--- a/ckanext/reclinepreview/theme/public/vendor/recline/recline.js
+++ b/ckanext/reclinepreview/theme/public/vendor/recline/recline.js
@@ -3625,8 +3625,8 @@ my.Map = Backbone.View.extend({
var self = this;
this.map = new L.Map(this.$map.get(0));
- var mapUrl = "http://otile{s}.mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.png";
- var osmAttribution = 'Map data © 2011 OpenStreetMap contributors, Tiles Courtesy of MapQuest
';
+ var mapUrl = "//otile{s}-s.mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.png";
+ var osmAttribution = 'Map data © 2011 OpenStreetMap contributors, Tiles Courtesy of MapQuest
';
var bg = new L.TileLayer(mapUrl, {maxZoom: 18, attribution: osmAttribution ,subdomains: '1234'});
this.map.addLayer(bg);