diff --git a/src/ol/geom/multipolygon.js b/src/ol/geom/multipolygon.js
index 6249ac779c..eca4120f3c 100644
--- a/src/ol/geom/multipolygon.js
+++ b/src/ol/geom/multipolygon.js
@@ -54,6 +54,17 @@ ol.geom.MultiPolygon.prototype.getEndss = function() {
 };
 
 
+/**
+ * @return {Array.<ol.Coordinate>} Interior points.
+ */
+ol.geom.MultiPolygon.prototype.getInteriorPoints = function() {
+  var ys = ol.geom.flat.linearRingssMidYs(
+      this.flatCoordinates, 0, this.endss_, this.stride);
+  return ol.geom.flat.linearRingssGetInteriorPoints(
+      this.flatCoordinates, 0, this.endss_, this.stride, ys);
+};
+
+
 /**
  * @return {Array.<ol.geom.Polygon>} Polygons.
  */