diff --git a/examples/renderTest.php b/examples/renderTest.php
index 1d5d8a2..e725e2b 100644
--- a/examples/renderTest.php
+++ b/examples/renderTest.php
@@ -340,8 +340,8 @@ $filter = new Filter();
 $filter->type = Filter::TYPE_GAUSSIAN;
 $filter->gaussianAlpha = 2.0;
 $film->filter = $filter;
-$film->width = 1024;
-$film->heigth = 1024;
+$film->width = 2048;
+$film->heigth = 2048;
 
 $img = new Image();
 $img->effect = [new Pretreatment(),new ToneMapLinear(),new CammaCorrection()];