diff --git a/AnimationFrame.js b/AnimationFrame.js
index 988b160..91c1cb5 100644
--- a/AnimationFrame.js
+++ b/AnimationFrame.js
@@ -30,9 +30,7 @@ var now = Date.now,
     // There are some issues on ios6
     // http://shitwebkitdoes.tumblr.com/post/47186945856/native-requestanimationframe-broken-on-ios-6
     // https://gist.github.com/KrofDrakula/5318048
-    nativeRequestAnimationFrame && nativeRequestAnimationFrame(function() {
-        hasNative = true;
-    });
+    hasNative = nativeRequestAnimationFrame && !/iP(ad|hone|od).*OS (6|7)/.test(window.navigator.userAgent);
 }());
 
 function AnimationFrame(frameRate) {
diff --git a/AnimationFrame.min.js b/AnimationFrame.min.js
index 4eb45d9..0f092ab 100644
--- a/AnimationFrame.min.js
+++ b/AnimationFrame.min.js
@@ -5,4 +5,4 @@
  * @website https://github.com/kof/animationFrame
  * @license MIT
  */
-(function(window){"use strict";var now=Date.now,setTimeout=window.setTimeout,nativeRequestAnimationFrame,nativeCancelAnimationFrame,hasNative=false;(function(){var i,vendors=["ms","moz","webkit","o"];for(i=0;i<vendors.length&&!nativeRequestAnimationFrame;i++){nativeRequestAnimationFrame=top[vendors[i]+"RequestAnimationFrame"];nativeCancelAnimationFrame=top[vendors[i]+"CancelAnimationFrame"]||top[vendors[i]+"CancelRequestAnimationFrame"]}nativeRequestAnimationFrame&&nativeRequestAnimationFrame(function(){hasNative=true})})();function AnimationFrame(frameRate){if(!(this instanceof AnimationFrame))return new AnimationFrame(frameRate);this.frameRate=frameRate||AnimationFrame.FRAME_RATE;this._frameLength=1e3/this.frameRate;this._isCustomFrameRate=this.frameRate!==AnimationFrame.FRAME_RATE;this._originalFrameLength=1e3/AnimationFrame.FRAME_RATE;this._tickId=null;this._callbacks={length:0};this._lastTickTime=0;this._tickCounter=0}AnimationFrame.FRAME_RATE=60;AnimationFrame.shim=function(frameRate){var animationFrame=new AnimationFrame(frameRate);window.requestAnimationFrame=function(callback){return animationFrame.request(callback)};window.cancelAnimationFrame=function(id){return animationFrame.cancel(id)};return animationFrame};AnimationFrame.prototype.request=function(callback){var self=this,delay;if(hasNative&&!this._isCustomFrameRate)return nativeRequestAnimationFrame(callback);if(this._tickId==null){delay=this._frameLength+this._lastTickTime-(now?now():(new Date).getTime());if(hasNative&&this._isCustomFrameRate){delay=delay-self._originalFrameLength}if(delay<0)delay=0;this._tickId=setTimeout(function(){var i,callbacks=self._callbacks,len=self._callbacks.length;self._tickId=null;self._lastTickTime=now?now():(new Date).getTime();self._callbacks={length:0};++self._tickCounter;for(i=0;i<len;++i){if(callbacks[i]){if(hasNative&&self._isCustomFrameRate){nativeRequestAnimationFrame(callbacks[i])}else{callbacks[i](self._lastTickTime)}}}},delay)}this._callbacks[this._callbacks.length]=callback;++this._callbacks.length;return this._callbacks.length-1+this._tickCounter};AnimationFrame.prototype.cancel=function(id){if(hasNative&&!this._isCustomFrameRate)return nativeCancelRequestAnimationFrame(id);delete this._callbacks[id-this._tickCounter]};if(typeof exports=="object"&&typeof module=="object"){module.exports=AnimationFrame}else if(typeof define=="function"&&define.amd){define(function(){return AnimationFrame})}else{window.AnimationFrame=AnimationFrame}})(window);
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+(function(window){"use strict";var now=Date.now,setTimeout=window.setTimeout,nativeRequestAnimationFrame,nativeCancelAnimationFrame,hasNative=false;(function(){var i,vendors=["ms","moz","webkit","o"];for(i=0;i<vendors.length&&!nativeRequestAnimationFrame;i++){nativeRequestAnimationFrame=top[vendors[i]+"RequestAnimationFrame"];nativeCancelAnimationFrame=top[vendors[i]+"CancelAnimationFrame"]||top[vendors[i]+"CancelRequestAnimationFrame"]}hasNative=nativeRequestAnimationFrame&&!/iP(ad|hone|od).*OS (6|7)/.test(window.navigator.userAgent)})();function AnimationFrame(frameRate){if(!(this instanceof AnimationFrame))return new AnimationFrame(frameRate);this.frameRate=frameRate||AnimationFrame.FRAME_RATE;this._frameLength=1e3/this.frameRate;this._isCustomFrameRate=this.frameRate!==AnimationFrame.FRAME_RATE;this._originalFrameLength=1e3/AnimationFrame.FRAME_RATE;this._tickId=null;this._callbacks={length:0};this._lastTickTime=0;this._tickCounter=0}AnimationFrame.FRAME_RATE=60;AnimationFrame.shim=function(frameRate){var animationFrame=new AnimationFrame(frameRate);window.requestAnimationFrame=function(callback){return animationFrame.request(callback)};window.cancelAnimationFrame=function(id){return animationFrame.cancel(id)};return animationFrame};AnimationFrame.prototype.request=function(callback){var self=this,delay;if(hasNative&&!this._isCustomFrameRate)return nativeRequestAnimationFrame(callback);if(this._tickId==null){delay=this._frameLength+this._lastTickTime-(now?now():(new Date).getTime());if(hasNative&&this._isCustomFrameRate){delay=delay-self._originalFrameLength}if(delay<0)delay=0;this._tickId=setTimeout(function(){var i,callbacks=self._callbacks,len=self._callbacks.length;self._tickId=null;self._lastTickTime=now?now():(new Date).getTime();self._callbacks={length:0};++self._tickCounter;for(i=0;i<len;++i){if(callbacks[i]){if(hasNative&&self._isCustomFrameRate){nativeRequestAnimationFrame(callbacks[i])}else{callbacks[i](self._lastTickTime)}}}},delay)}this._callbacks[this._callbacks.length]=callback;++this._callbacks.length;return this._callbacks.length-1+this._tickCounter};AnimationFrame.prototype.cancel=function(id){if(hasNative&&!this._isCustomFrameRate)return nativeCancelRequestAnimationFrame(id);delete this._callbacks[id-this._tickCounter]};if(typeof exports=="object"&&typeof module=="object"){module.exports=AnimationFrame}else if(typeof define=="function"&&define.amd){define(function(){return AnimationFrame})}else{window.AnimationFrame=AnimationFrame}})(window);
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