diff --git a/MotionMark1.2/tests/master/resources/image-data.js b/MotionMark1.2/tests/master/resources/image-data.js
index 1940c3a..95a6bb6 100644
--- a/MotionMark1.2/tests/master/resources/image-data.js
+++ b/MotionMark1.2/tests/master/resources/image-data.js
@@ -143,7 +143,7 @@ var ImageDataStage = Utilities.createSubclass(Stage,
     animate: function(timeDelta) {
         for (var i = 0; i < this._offsetIndex; ++i) {
             var element = this.testElements[i];
-            var context = element.getContext("2d");
+            var context = element.getContext("2d", { willReadFrequently: true });
 
             // Get image data
             var imageData = context.getImageData(0, 0, this.imageWidth, this.imageHeight);