diff --git a/src/ol/layerrenderer.js b/src/ol/layerrenderer.js
index d674f30626..a7cc644099 100644
--- a/src/ol/layerrenderer.js
+++ b/src/ol/layerrenderer.js
@@ -10,12 +10,19 @@ goog.require('ol.Object');
 /**
  * @constructor
  * @extends {ol.Object}
+ * @param {ol.Map} map Map.
  * @param {ol.Layer} layer Layer.
  */
-ol.LayerRenderer = function(layer) {
+ol.LayerRenderer = function(map, layer) {
 
   goog.base(this);
 
+  /**
+   * @private
+   * @type {ol.Map}
+   */
+  this.map_ = map;
+
   /**
    * @private
    * @type {ol.Layer}
@@ -42,6 +49,14 @@ ol.LayerRenderer.prototype.getLayer = function() {
 };
 
 
+/**
+ * @return {ol.Map} Map.
+ */
+ol.LayerRenderer.prototype.getMap = function() {
+  return this.map_;
+};
+
+
 /**
  * @protected
  */