diff --git a/Sortable.js b/Sortable.js
index b62a7e4..6f02229 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1032,7 +1032,7 @@
 			Sortable.active = null;
 
 			savedInputChecked.forEach(function (el) {
-				el.checked = true;
+				el.setAttribute('checked', true);
 			});
 			savedInputChecked.length = 0;
 		},
@@ -1485,7 +1485,7 @@
 
 		while (idx--) {
 			var el = inputs[idx];
-			el.checked && savedInputChecked.push(el);
+			el.checked && (savedInputChecked.indexOf(el) !== -1) && savedInputChecked.push(el);
 		}
 	}
 
diff --git a/Sortable.min.js b/Sortable.min.js
index 938811f..4287d76 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,3 @@
 /*! Sortable 1.7.0 - MIT | git://github.com/rubaxa/Sortable.git */
-!function(a){"use strict";"function"==typeof define&&define.amd?define(a):"undefined"!=typeof module&&"undefined"!=typeof module.exports?module.exports=a():window.Sortable=a()}(function(){"use strict";function a(b,c){if(!b||!b.nodeType||1!==b.nodeType)throw"Sortable: `el` must be HTMLElement, and not "+{}.toString.call(b);this.el=b,this.options=c=t({},c),b[V]=this;var d={group:Math.random(),sort:!0,disabled:!1,store:null,handle:null,scroll:!0,scrollSensitivity:30,scrollSpeed:10,draggable:/[uo]l/i.test(b.nodeName)?"li":">*",ghostClass:"sortable-ghost",chosenClass:"sortable-chosen",dragClass:"sortable-drag",ignore:"a, img",filter:null,preventOnFilter:!0,animation:0,setData:function(a,b){a.setData("Text",b.textContent)},dropBubble:!1,dragoverBubble:!1,dataIdAttr:"data-id",delay:0,forceFallback:!1,fallbackClass:"sortable-fallback",fallbackOnBody:!1,fallbackTolerance:0,fallbackOffset:{x:0,y:0},supportPointer:a.supportPointer!==!1};for(var e in d)!(e in c)&&(c[e]=d[e]);ka(c);for(var g in this)"_"===g.charAt(0)&&"function"==typeof this[g]&&(this[g]=this[g].bind(this));this.nativeDraggable=!c.forceFallback&&ca,f(b,"mousedown",this._onTapStart),f(b,"touchstart",this._onTapStart),c.supportPointer&&f(b,"pointerdown",this._onTapStart),this.nativeDraggable&&(f(b,"dragover",this),f(b,"dragenter",this)),ia.push(this._onDragOver),c.store&&this.sort(c.store.get(this))}function b(a,b){"clone"!==a.lastPullMode&&(b=!0),B&&B.state!==b&&(i(B,"display",b?"none":""),b||B.state&&(a.options.group.revertClone?(C.insertBefore(B,D),a._animate(y,B)):C.insertBefore(B,y)),B.state=b)}function c(a,b,c){if(a){c=c||X;do if(">*"===b&&a.parentNode===c||r(a,b))return a;while(a=d(a))}return null}function d(a){var b=a.host;return b&&b.nodeType?b:a.parentNode}function e(a){a.dataTransfer&&(a.dataTransfer.dropEffect="move"),a.preventDefault()}function f(a,b,c){a.addEventListener(b,c,aa)}function g(a,b,c){a.removeEventListener(b,c,aa)}function h(a,b,c){if(a)if(a.classList)a.classList[c?"add":"remove"](b);else{var d=(" "+a.className+" ").replace(T," ").replace(" "+b+" "," ");a.className=(d+(c?" 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a=this.el;a[V]=null,g(a,"mousedown",this._onTapStart),g(a,"touchstart",this._onTapStart),g(a,"pointerdown",this._onTapStart),this.nativeDraggable&&(g(a,"dragover",this),g(a,"dragenter",this)),Array.prototype.forEach.call(a.querySelectorAll("[draggable]"),function(a){a.removeAttribute("draggable")}),ia.splice(ia.indexOf(this._onDragOver),1),this._onDrop(),this.el=a=null}},f(X,"touchmove",function(b){a.active&&b.preventDefault()}),a.utils={on:f,off:g,css:i,find:j,is:function(a,b){return!!c(a,b,a)},extend:t,throttle:s,closest:c,toggleClass:h,clone:u,index:q,nextTick:w,cancelNextTick:x},a.create=function(b,c){return new a(b,c)},a.version="1.7.0",a});
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