diff --git a/src/ol/geom/flat/interiorpoint.js b/src/ol/geom/flat/interiorpoint.js
index f3b263964a..7886691825 100644
--- a/src/ol/geom/flat/interiorpoint.js
+++ b/src/ol/geom/flat/interiorpoint.js
@@ -24,18 +24,20 @@ ol.geom.flat.interiorpoint.linearRings = function(flatCoordinates, offset,
   /** @type {Array.<number>} */
   var intersections = [];
   // Calculate intersections with the horizontal line
-  var end = ends[0];
-  x1 = flatCoordinates[end - stride];
-  y1 = flatCoordinates[end - stride + 1];
-  for (i = offset; i < end; i += stride) {
-    x2 = flatCoordinates[i];
-    y2 = flatCoordinates[i + 1];
-    if ((y <= y1 && y2 <= y) || (y1 <= y && y <= y2)) {
-      x = (y - y1) / (y2 - y1) * (x2 - x1) + x1;
-      intersections.push(x);
+  for (var r = 0, rr = ends.length; r < rr; ++r) {
+    var end = ends[r];
+    x1 = flatCoordinates[end - stride];
+    y1 = flatCoordinates[end - stride + 1];
+    for (i = offset; i < end; i += stride) {
+      x2 = flatCoordinates[i];
+      y2 = flatCoordinates[i + 1];
+      if ((y <= y1 && y2 <= y) || (y1 <= y && y <= y2)) {
+        x = (y - y1) / (y2 - y1) * (x2 - x1) + x1;
+        intersections.push(x);
+      }
+      x1 = x2;
+      y1 = y2;
     }
-    x1 = x2;
-    y1 = y2;
   }
   // Find the longest segment of the horizontal line that has its center point
   // inside the linear ring.
diff --git a/test/spec/ol/geom/polygon.test.js b/test/spec/ol/geom/polygon.test.js
index 0a6345abe4..915771081c 100644
--- a/test/spec/ol/geom/polygon.test.js
+++ b/test/spec/ol/geom/polygon.test.js
@@ -550,6 +550,17 @@ describe('ol.geom.Polygon', function() {
       expect(interiorPoint.layout).to.be('XYM');
       expect(interiorPoint.getCoordinates()).to.eql([0.5, 0.5, 1]);
     });
+
+    it('returns XYM point for donut polygons', function() {
+      var geom = new ol.geom.Polygon([
+        [[0.5, 0.5], [0.5, 2.5], [2.5, 2.5], [2.5, 0.5], [0.5, 0.5]],
+        [[1, 1], [2, 1], [2, 2], [1, 2], [1, 1]]
+      ]);
+      var interiorPoint = geom.getInteriorPoint();
+      expect(interiorPoint.getType()).to.be('Point');
+      expect(interiorPoint.layout).to.be('XYM');
+      expect(interiorPoint.getCoordinates()).to.eql([0.75, 1.5, 0.5]);
+    });
   });
 
   describe('ol.geom.Polygon.fromExtent', function() {