diff --git a/src/objectliterals.jsdoc b/src/objectliterals.jsdoc
index 3e18a80b06..8ba484fc00 100644
--- a/src/objectliterals.jsdoc
+++ b/src/objectliterals.jsdoc
@@ -492,6 +492,8 @@
  * @property {string} key Bing Maps API key. Get yours at
  *     http://bingmapsportal.com/.
  * @property {string} style Style.
+ * @property {ol.TileLoadFunctionType|undefined} tileLoadFunction Optional
+ *     function to load a tile given a URL.
  */
 
 /**
diff --git a/src/ol/source/bingmapssource.js b/src/ol/source/bingmapssource.js
index 7b75a68b3c..29b3b456ea 100644
--- a/src/ol/source/bingmapssource.js
+++ b/src/ol/source/bingmapssource.js
@@ -24,7 +24,8 @@ ol.source.BingMaps = function(options) {
   goog.base(this, {
     crossOrigin: 'anonymous',
     opaque: true,
-    projection: ol.proj.get('EPSG:3857')
+    projection: ol.proj.get('EPSG:3857'),
+    tileLoadFunction: options.tileLoadFunction
   });
 
   /**