diff --git a/lib/modifiedAPI.js b/lib/modifiedAPI.js
index e7b2d43..f95821f 100644
--- a/lib/modifiedAPI.js
+++ b/lib/modifiedAPI.js
@@ -191,24 +191,17 @@
 				var maxSize = prefs("maxFakeSize") || Number.POSITIVE_INFINITY;
 				return function getImageData(sx, sy, sw, sh){
 					var window = getWindow(this.canvas);
-					var context;
 					if (sw * sh > maxSize){
-						return original.call(this, sx, sy, sw, sh);
+						return original.apply(this, window.Array.from(arguments));
 					}
 					else {
 						notify("fakedReadout");
-						context = window.HTMLCanvasElement.prototype.getContext.call(
+						var context = window.HTMLCanvasElement.prototype.getContext.call(
 							getFakeCanvas(window, this.canvas),
 							"2d"
 						);
+						return original.apply(context, window.Array.from(arguments));
 					}
-					var data = window.CanvasRenderingContext2D.prototype.getImageData.apply(context, arguments).data;
-					
-					var imageData = new window.wrappedJSObject.ImageData(sw, sh);
-					for (var i = 0, l = data.length; i < l; i += 1){
-						imageData.data[i] = data[i];
-					}
-					return imageData;
 				};
 			}
 		},