diff --git a/public/openlayers/OpenStreetMap.js b/public/openlayers/OpenStreetMap.js
index 86f8a80e4..53094d8da 100644
--- a/public/openlayers/OpenStreetMap.js
+++ b/public/openlayers/OpenStreetMap.js
@@ -7,7 +7,7 @@ OpenLayers.Util.OSM = {};
  * Constant: MISSING_TILE_URL
  * {String} URL of image to display for missing tiles
  */
-OpenLayers.Util.OSM.MISSING_TILE_URL = "http://openstreetmap.org/openlayers/img/404.png";
+OpenLayers.Util.OSM.MISSING_TILE_URL = "http://www.openstreetmap.org/openlayers/img/404.png";
 
 /**
  * Property: originalOnImageLoadError