diff --git a/src/ol/source/urltilesource.js b/src/ol/source/urltilesource.js
index 14216d0ee2..f1b618c195 100644
--- a/src/ol/source/urltilesource.js
+++ b/src/ol/source/urltilesource.js
@@ -183,8 +183,7 @@ ol.source.UrlTile.prototype.setTileUrlFunction = function(tileUrlFunction) {
  * @api stable
  */
 ol.source.UrlTile.prototype.setUrl = function(url) {
-  this.urls = [url];
-  var urls = ol.TileUrlFunction.expandUrl(url);
+  var urls = this.urls = ol.TileUrlFunction.expandUrl(url);
   this.setTileUrlFunction(this.fixedTileUrlFunction ?
       this.fixedTileUrlFunction.bind(this) :
       ol.TileUrlFunction.createFromTemplates(urls, this.tileGrid));
diff --git a/test/spec/ol/source/urltilesource.test.js b/test/spec/ol/source/urltilesource.test.js
index 8273b5956a..f59f425aa9 100644
--- a/test/spec/ol/source/urltilesource.test.js
+++ b/test/spec/ol/source/urltilesource.test.js
@@ -3,6 +3,17 @@ goog.provide('ol.test.source.UrlTile');
 
 describe('ol.source.UrlTile', function() {
 
+  describe('url option', function() {
+    it('expands url template', function() {
+      var tileSource = new ol.source.UrlTile({
+        url: '{1-3}'
+      });
+
+      var urls = tileSource.getUrls();
+      expect(urls).to.eql(['1', '2', '3']);
+    });
+  });
+
   describe('tileUrlFunction', function() {
 
     var tileSource, tileGrid;