diff --git a/src/ol/geom/multilinestring.js b/src/ol/geom/multilinestring.js
index a2b2e3dc3c..728168b198 100644
--- a/src/ol/geom/multilinestring.js
+++ b/src/ol/geom/multilinestring.js
@@ -10,6 +10,7 @@ goog.require('ol.geom.flat.closest');
 goog.require('ol.geom.flat.deflate');
 goog.require('ol.geom.flat.inflate');
 goog.require('ol.geom.flat.interpolate');
+goog.require('ol.geom.flat.intersectsextent');
 goog.require('ol.geom.flat.simplify');
 
 
@@ -244,6 +245,16 @@ ol.geom.MultiLineString.prototype.getType = function() {
 };
 
 
+/**
+ * @inheritDoc
+ * @api
+ */
+ol.geom.MultiLineString.prototype.intersectsExtent = function(extent) {
+  return ol.geom.flat.intersectsextent.lineStrings(
+      this.flatCoordinates, 0, this.ends_, this.stride, extent);
+};
+
+
 /**
  * @param {Array.<Array.<ol.Coordinate>>} coordinates Coordinates.
  * @param {ol.geom.GeometryLayout=} opt_layout Layout.