diff --git a/test/spec/ol/reproj/image.test.js b/test/spec/ol/reproj/image.test.js
index 08b3b6d409..13d8a8627a 100644
--- a/test/spec/ol/reproj/image.test.js
+++ b/test/spec/ol/reproj/image.test.js
@@ -7,7 +7,8 @@ describe('ol.reproj.Image', function() {
         [-180, -85, 180, 85], 10, pixelRatio,
         function(extent, resolution, pixelRatio) {
           return new ol.Image(extent, resolution, pixelRatio, [],
-              'data:image/gif;base64,R0lGODlhAQABAAAAACwAAAAAAQABAAA=', '',
+              'data:image/gif;base64,' +
+              'R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=', null,
               function(image, src) {
                 image.getImage().src = src;
               });
diff --git a/test/spec/ol/reproj/tile.test.js b/test/spec/ol/reproj/tile.test.js
index a209a1c471..1354b804fb 100644
--- a/test/spec/ol/reproj/tile.test.js
+++ b/test/spec/ol/reproj/tile.test.js
@@ -23,7 +23,8 @@ describe('ol.reproj.Tile', function() {
         ol.tilegrid.createForProjection(proj4326, 3, opt_tileSize),
         3, 2, -2, pixelRatio, function(z, x, y, pixelRatio) {
           return new ol.ImageTile([z, x, y], ol.TileState.IDLE,
-              'data:image/gif;base64,R0lGODlhAQABAAAAACwAAAAAAQABAAA=', '',
+              'data:image/gif;base64,' +
+              'R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=', null,
               function(tile, src) {
                 tile.getImage().src = src;
               });