diff --git a/js/threeView.js b/js/threeView.js
index 1b10007e874f24ca03c235e62bf6b3f81a478884..5137a8d83c28c28d5986ae329fdbabeb6d8b137f 100644
--- a/js/threeView.js
+++ b/js/threeView.js
@@ -158,6 +158,9 @@ function initThreeView(globals) {
 
         renderer.setSize(window.innerWidth, window.innerHeight);
 
+        var width = window.innerWidth;
+        var height = window.innerHeight;
+
         ssaoPass.uniforms[ 'size' ].value.set( width, height );
         var pixelRatio = renderer.getPixelRatio();
         var newWidth  = Math.floor( width / pixelRatio ) || 1;