diff --git a/src/ol/rectangle.js b/src/ol/rectangle.js
index c7d9cab121..9d7a27af5e 100644
--- a/src/ol/rectangle.js
+++ b/src/ol/rectangle.js
@@ -129,7 +129,7 @@ ol.Rectangle.prototype.toString = function() {
 /**
  * @param {number} value Value.
  */
-ol.Rectangle.prototype.scale = function(value) {
+ol.Rectangle.prototype.scaleFromCenter = function(value) {
   var deltaX = (this.getWidth() / 2.0) * (value - 1);
   var deltaY = (this.getHeight() / 2.0) * (value - 1);
   this.minX -= deltaX;
diff --git a/src/ol/source/singleimagewmssource.js b/src/ol/source/singleimagewmssource.js
index ec8ce0c329..3529678443 100644
--- a/src/ol/source/singleimagewmssource.js
+++ b/src/ol/source/singleimagewmssource.js
@@ -89,7 +89,7 @@ ol.source.SingleImageWMS.prototype.getImage =
 
   extent = new ol.Extent(extent.minX, extent.minY,
       extent.maxX, extent.maxY);
-  extent.scale(this.ratio_);
+  extent.scaleFromCenter(this.ratio_);
   var width = extent.getWidth() / resolution;
   var height = extent.getHeight() / resolution;
   var size = new ol.Size(width, height);
diff --git a/test/spec/ol/rectangle.test.js b/test/spec/ol/rectangle.test.js
index 5f882621ca..fe7ee9a1c3 100644
--- a/test/spec/ol/rectangle.test.js
+++ b/test/spec/ol/rectangle.test.js
@@ -98,10 +98,10 @@ describe('ol.Rectangle', function() {
     });
   });
 
-  describe('scale', function() {
-    it('scales the extent', function() {
+  describe('scaleFromCenter', function() {
+    it('scales the extent from its center', function() {
       var rectangle = new ol.Rectangle(1, 1, 3, 3);
-      rectangle.scale(2);
+      rectangle.scaleFromCenter(2);
       expect(rectangle.minX).toEqual(0);
       expect(rectangle.minY).toEqual(0);
       expect(rectangle.maxX).toEqual(4);