diff --git a/src/pixi/Point.js b/src/pixi/Point.js
index 0e0884a..6fd5295 100644
--- a/src/pixi/Point.js
+++ b/src/pixi/Point.js
@@ -30,7 +30,7 @@
  * @method clone
  * @return a copy of the point
  */
-PIXI.Point.clone = function()
+PIXI.Point.prototype.clone = function()
 {
 	return new PIXI.Point(this.x, this.y);
 }

diff --git a/src/pixi/Point.js b/src/pixi/Point.js
index 0e0884a..6fd5295 100644
--- a/src/pixi/Point.js
+++ b/src/pixi/Point.js
@@ -30,7 +30,7 @@
  * @method clone
  * @return a copy of the point
  */
-PIXI.Point.clone = function()
+PIXI.Point.prototype.clone = function()
 {
 	return new PIXI.Point(this.x, this.y);
 }
diff --git a/src/pixi/Rectangle.js b/src/pixi/Rectangle.js
index eeecc06..f3513eb 100644
--- a/src/pixi/Rectangle.js
+++ b/src/pixi/Rectangle.js
@@ -46,7 +46,7 @@
  * @method clone
  * @return a copy of the rectangle
  */
-PIXI.Rectangle.clone = function()
+PIXI.Rectangle.prototype.clone = function()
 {
 	return new PIXI.Rectangle(this.x, this.y, this.width, this.height);
 }