diff --git a/test/spec/ol/source/vectortile.test.js b/test/spec/ol/source/vectortile.test.js
index 20ed152e33..c39ee4f151 100644
--- a/test/spec/ol/source/vectortile.test.js
+++ b/test/spec/ol/source/vectortile.test.js
@@ -95,7 +95,7 @@ describe('ol.source.VectorTile', function() {
         loaded.push(src);
       }
 
-      var proj = ol.proj.Projection({
+      var proj = new ol.proj.Projection({
         code: 'EPSG:3006',
         units: 'm'
       });