diff --git a/Specs/Scene/PostProcessStageCompositeSpec.js b/Specs/Scene/PostProcessStageCompositeSpec.js
index 7d2230b0ef03..ce5bb16f3240 100644
--- a/Specs/Scene/PostProcessStageCompositeSpec.js
+++ b/Specs/Scene/PostProcessStageCompositeSpec.js
@@ -207,7 +207,7 @@ defineSuite([
         }
 
         expect(s).toRender([0, 0, 0, 255]);
-        var stage = scene.postProcessStages.add(new PostProcessStageComposite({
+        var stage = s.postProcessStages.add(new PostProcessStageComposite({
             stages : [new PostProcessStage({
                 fragmentShader : 'uniform sampler2D depthTexture; void main() { gl_FragColor = vec4(1.0); }'
             })]