diff --git a/src/ol/geom2/geom2.js b/src/ol/geom2/geom2.js
index a2ce5de71d..9c70888177 100644
--- a/src/ol/geom2/geom2.js
+++ b/src/ol/geom2/geom2.js
@@ -2,6 +2,7 @@ goog.provide('ol.geom2');
 
 goog.require('goog.asserts');
 goog.require('ol.Extent');
+goog.require('ol.extent');
 
 
 /**
@@ -10,21 +11,19 @@ goog.require('ol.Extent');
  * @return {ol.Extent} Extent.
  */
 ol.geom2.getExtent = function(buf, dim) {
-  var extent = new Array(2 * dim);
-  var extentIndex = 0;
-  var i;
-  for (i = 0; i < dim; ++i) {
-    extent[extentIndex++] = Infinity;
-    extent[extentIndex++] = -Infinity;
+  var extent = ol.extent.createEmpty(); // TODO: make this accept a dimension
+  for (var i = 0; i < dim; ++i) {
+    extent[0][i] = Infinity;
+    extent[1][i] = -Infinity;
   }
   var bufArr = buf.getArray();
   buf.forEachRange(function(start, stop) {
-    var extentIndex, i, j;
+    var i, j, value;
     for (i = start; i < stop; i += dim) {
-      extentIndex = 0;
       for (j = 0; j < dim; ++j) {
-        extent[extentIndex++] = Math.min(extent[2 * j], bufArr[i + j]);
-        extent[extentIndex++] = Math.max(extent[2 * j + 1], bufArr[i + j]);
+        value = bufArr[i + j];
+        extent[0][j] = Math.min(extent[0][j], value);
+        extent[1][j] = Math.max(extent[1][j], value);
       }
     }
   });
diff --git a/test/spec/ol/geom2/geom2.test.js b/test/spec/ol/geom2/geom2.test.js
index d894bc65af..926fa2a83f 100644
--- a/test/spec/ol/geom2/geom2.test.js
+++ b/test/spec/ol/geom2/geom2.test.js
@@ -13,22 +13,22 @@ describe('ol.geom2', function() {
 
     it('returns the expected extent', function() {
       var extent = ol.geom2.getExtent(buf, dim);
-      expect(extent).to.eql([0, 10, 1, 11]);
+      expect(extent).to.eql([[0, 1], [10, 11]]);
     });
 
     it('returns the expect extent in three dimensions', function() {
       var extent = ol.geom2.getExtent(buf, 3);
-      expect(extent).to.eql([0, 9, 1, 10, 2, 11]);
+      expect(extent).to.eql([[0, 1, 2], [9, 10, 11]]);
     });
 
     it('returns the expect extent in four dimensions', function() {
       var extent = ol.geom2.getExtent(buf, 4);
-      expect(extent).to.eql([0, 8, 1, 9, 2, 10, 3, 11]);
+      expect(extent).to.eql([[0, 1, 2, 3], [8, 9, 10, 11]]);
     });
 
     it('returns the expect extent in six dimensions', function() {
       var extent = ol.geom2.getExtent(buf, 6);
-      expect(extent).to.eql([0, 6, 1, 7, 2, 8, 3, 9, 4, 10, 5, 11]);
+      expect(extent).to.eql([[0, 1, 2, 3, 4, 5], [6, 7, 8, 9, 10, 11]]);
     });
 
   });
diff --git a/test/spec/ol/geom2/linecollection.test.js b/test/spec/ol/geom2/linecollection.test.js
index ab1c6d9354..7175d42fbd 100644
--- a/test/spec/ol/geom2/linecollection.test.js
+++ b/test/spec/ol/geom2/linecollection.test.js
@@ -189,7 +189,7 @@ describe('ol.geom2.LineStringCollection', function() {
     describe('getExtent', function() {
 
       it('returns the expected extent', function() {
-        expect(lsc.getExtent()).to.eql([0, 2, 1, 3]);
+        expect(lsc.getExtent()).to.eql([[0, 1], [2, 3]]);
       });
 
     });
@@ -268,7 +268,7 @@ describe('ol.geom2.LineStringCollection', function() {
     describe('getExtent', function() {
 
       it('returns the expected value', function() {
-        expect(lsc.getExtent()).to.eql([0, 8, 1, 9]);
+        expect(lsc.getExtent()).to.eql([[0, 1], [8, 9]]);
       });
 
     });
diff --git a/test/spec/ol/geom2/pointcollection.test.js b/test/spec/ol/geom2/pointcollection.test.js
index 52d7d33bd5..0d5f89c566 100644
--- a/test/spec/ol/geom2/pointcollection.test.js
+++ b/test/spec/ol/geom2/pointcollection.test.js
@@ -198,7 +198,7 @@ describe('ol.geom2.PointCollection', function() {
 
       it('returns the expected value', function() {
         var extent = pc.getExtent();
-        expect(extent).to.eql([0, 2, 1, 3]);
+        expect(extent).to.eql([[0, 1], [2, 3]]);
       });
 
     });