diff --git a/src/ol/source/vectorsource.js b/src/ol/source/vectorsource.js
index 6c5659ab3d..94ab64349a 100644
--- a/src/ol/source/vectorsource.js
+++ b/src/ol/source/vectorsource.js
@@ -208,6 +208,21 @@ ol.source.Vector.prototype.forEachFeatureInExtent =
 };
 
 
+/**
+ * @param {ol.Extent} extent Extent.
+ * @param {number} resolution Resolution.
+ * @param {function(this: T, ol.Feature): S} f Callback.
+ * @param {T=} opt_this The object to use as `this` in `f`.
+ * @return {S|undefined}
+ * @template T,S
+ * @todo stability experimental
+ */
+ol.source.Vector.prototype.forEachFeatureInExtentAtResolution =
+    function(extent, resolution, f, opt_this) {
+  return this.forEachFeatureInExtent(extent, f, opt_this);
+};
+
+
 /**
  * @return {Array.<ol.Feature>} Features.
  * @todo stability experimental