diff --git a/src/animation/Animation.js b/src/animation/Animation.js
index e59b3dff..90f456cf 100644
--- a/src/animation/Animation.js
+++ b/src/animation/Animation.js
@@ -223,7 +223,7 @@ Phaser.Animation.prototype = {
             {
                 if (this.looped)
                 {
-                    this._frameIndex = this._frameIndex %= this._frames.length;
+                    this._frameIndex %= this._frames.length;
                     this.currentFrame = this._frameData.getFrame(this._frames[this._frameIndex]);
 
                     if (this.currentFrame)