diff --git a/README.md b/README.md
index eea66366b..cc866a9a4 100644
--- a/README.md
+++ b/README.md
@@ -183,6 +183,7 @@ This fixes a bug in FF where it would use the default DOMMouseWheel (thanks @pns
 * Sprite.autoCull now properly works if the camera moves around the world.
 * Sprite.inCamera uses a much faster check if auto culling or world bounds checks are enabled and properly adjusts for camera position.
 * Camera.totalInView is a new property that contains the total number of Sprites rendered that have `autoCull` set to true and are within the Cameras view.
+* Emitter.setScale fixed minX minY order presedence (thanks spayton)
 
 ### Pixi 2.1.0 New Features
 
diff --git a/src/particles/arcade/Emitter.js b/src/particles/arcade/Emitter.js
index 6221d8eb6..24be2c03f 100644
--- a/src/particles/arcade/Emitter.js
+++ b/src/particles/arcade/Emitter.js
@@ -663,7 +663,7 @@ Phaser.Particles.Arcade.Emitter.prototype.setScale = function (minX, maxX, minY,
 
     this.autoScale = false;
 
-    if (rate > 0 && (minX !== maxX) || (minY !== maxY))
+    if (rate > 0 && ((minX !== maxX) || (minY !== maxY)))
     {
         var tweenData = { x: minX, y: minY };
         var tween = this.game.make.tween(tweenData).to( { x: maxX, y: maxY }, rate, ease);