diff --git a/dist/angular-csv-import.js b/dist/angular-csv-import.js
index e4306ff..29bda81 100644
--- a/dist/angular-csv-import.js
+++ b/dist/angular-csv-import.js
@@ -1,5 +1,5 @@
-/*! angular-csv-import - v0.0.37 - 2017-05-19
-* Copyright (c) 2017 ; Licensed  */
+/*! angular-csv-import - v0.0.38 - 2018-02-06
+* Copyright (c) 2018 ; Licensed  */
 'use strict';
 
 var csvImport = angular.module('ngCsvImport', []);
@@ -33,9 +33,9 @@ csvImport.directive('ngCsvImport', function() {
 			var material = angular.isDefined(attrs.material);
 			var multiple = angular.isDefined(attrs.multiple);
 			return '<div class="ng-csv-import">'+
-		  	'<div ng-show="headerVisible"><div class="label">Header</div>' +
-		  	(material ? '<input type="checkbox" ng-model="header"></div>' :
-		  		'<md-switch class="ng-csv-import-header-switch" ng-model="header"></md-switch>') +
+			'<div ng-show="headerVisible"><div class="label">Header</div>' +
+			(material ? '<md-switch class="ng-csv-import-header-switch" ng-model="header"></md-switch>' : '<input type="checkbox" ng-model="header">') +
+			'</div>' +
 			'<div ng-show="encodingVisible"><div class="label">Encoding</div><span>{{encoding}}</span></div>'+
 			'<div ng-show="separatorVisible">'+
 			'<div class="label">Seperator</div>'+
@@ -84,9 +84,9 @@ csvImport.directive('ngCsvImport', function() {
 					scope.result = csvToJSON(content);
 					scope.$apply();
 					if ( typeof scope.callback === 'function' ) {
-                        			if ( scope.callback != null) {
-                            				scope.callback(e);
-                        			}
+						if ( scope.callback != null) {
+							scope.callback(e);
+						}
 					}
 				}
 			});
@@ -117,9 +117,9 @@ csvImport.directive('ngCsvImport', function() {
 						scope.result.filename = scope.filename;
 						scope.$$postDigest(function(){
 							if ( typeof scope.callback === 'function' ) {
-				                                if ( scope.callback != null) {
-				                                    scope.callback(onChangeEvent);
-				                                }
+								if ( scope.callback != null) {
+									scope.callback(onChangeEvent);
+								}
 							}
 						});
 					});
@@ -137,14 +137,13 @@ csvImport.directive('ngCsvImport', function() {
 						scope.result = csvToJSON(content);
 						scope.$$postDigest(function(){
 							if ( typeof scope.callback === 'function' ) {
-				                                if ( scope.callback != null) {
-				                                    scope.callback(onChangeEvent);
-				                                }
+								if ( scope.callback != null) {
+									scope.callback(onChangeEvent);
+								}
 							}
 						});
 					}
 				}
-				
 				if(!scope.lockImportSameFile){
 					angular.element(document).find('.ng-csv-import.ng-isolate-scope input[type="file"]')[0].value = null;
 				}
diff --git a/dist/angular-csv-import.min.js b/dist/angular-csv-import.min.js
index fceda0a..7982c1b 100644
--- a/dist/angular-csv-import.min.js
+++ b/dist/angular-csv-import.min.js
@@ -1,3 +1,3 @@
-/*! angular-csv-import - v0.0.37 - 2017-05-19
-* Copyright (c) 2017 ; Licensed  */
-"use strict";var csvImport=angular.module("ngCsvImport",[]);csvImport.directive("ngCsvImport",function(){return{restrict:"E",transclude:!0,replace:!0,scope:{content:"=?",header:"=?",headerVisible:"=?",separator:"=?",separatorVisible:"=?",result:"=?",encoding:"=?",encodingVisible:"=?",accept:"=?",acceptSize:"=?",acceptSizeExceedCallback:"=?",callback:"=?",mdButtonClass:"@?",mdInputClass:"@?",mdButtonTitle:"@?",mdSvgIcon:"@?",uploadButtonLabel:"="},template:function(a,b){var c=angular.isDefined(b.material),d=angular.isDefined(b.multiple);return'<div class="ng-csv-import"><div ng-show="headerVisible"><div class="label">Header</div>'+(c?'<input type="checkbox" ng-model="header"></div>':'<md-switch class="ng-csv-import-header-switch" ng-model="header"></md-switch>')+'<div ng-show="encodingVisible"><div class="label">Encoding</div><span>{{encoding}}</span></div><div ng-show="separatorVisible"><div class="label">Seperator</div><span><input class="separator-input '+(c?"_md md-input":"")+' " type="text" ng-change="changeSeparator" ng-model="separator"><span></div><div><input class="btn cta gray" upload-button-label="{{uploadButtonLabel}}" type="file" '+(d?"multiple":"")+' accept="{{accept}}"/>'+(c?'<md-button ng-click="onClick($event)" class="_md md-button {{mdButtonClass}}"><md-icon md-svg-icon="{{mdSvgIcon}}"></md-icon> {{mdButtonTitle}}</md-button><md-input-container style="margin:0;"><input type="text" class="_md md-input-readable md-input {{mdInputClass}}" ng-click="onClick($event)" ng-model="filename"></md-input-container>':"")+"</div></div>"},link:function(a,b,c){if(a.separatorVisible=!!a.separatorVisible,a.headerVisible=!!a.headerVisible,a.acceptSize=a.acceptSize||Number.POSITIVE_INFINITY,a.material=angular.isDefined(c.material),a.multiple=angular.isDefined(c.multiple),a.multiple)throw new Error("Multiple attribute is not supported yet.");var d=angular.element(b[0].querySelector('input[type="file"]')),e=angular.element(b[0].querySelector("md-input-container"));if(a.material&&d){if(d.removeClass("ng-show"),d.addClass("ng-hide"),e){var f=angular.element(e[0].querySelector("div.md-errors-spacer"));f&&f.remove()}a.onClick=function(){d.click()}}angular.element(b[0].querySelector(".separator-input")).on("keyup",function(b){if(null!=a.content){var c={csv:a.content,header:a.header,separator:b.target.value,encoding:a.encoding};a.result=g(c),a.$apply(),"function"==typeof a.callback&&null!=a.callback&&a.callback(b)}}),b.on("change",function(b){if(b.target.files.length){if(b.target.files[0].size>a.acceptSize)return void("function"==typeof a.acceptSizeExceedCallback&&a.acceptSizeExceedCallback(b.target.files[0]));a.filename=b.target.files[0].name;var c=new FileReader;if(c.onload=function(c){a.$apply(function(){var d={csv:c.target.result.replace(/\r\n|\r/g,"\n"),header:a.header,separator:a.separator};a.content=d.csv,a.result=g(d),a.result.filename=a.filename,a.$$postDigest(function(){"function"==typeof a.callback&&null!=a.callback&&a.callback(b)})})},"file"!==b.target.type||null==b.target.files&&null==b.srcElement.files){if(null!=a.content){var d={csv:a.content,header:!a.header,separator:a.separator};a.result=g(d),a.$$postDigest(function(){"function"==typeof a.callback&&null!=a.callback&&a.callback(b)})}}else c.readAsText((b.srcElement||b.target).files[0],a.encoding)}});var g=function(a){var b=a.csv.split(new RegExp('\n(?![^"]*"(?:(?:[^"]*"){2})*[^"]*$)')),c=[],d=0,e=b[0].split(a.separator).length,f=[];a.header&&(f=b[0].split(a.separator),d=1);for(var g=d;g<b.length;g++){var i={},j=b[g].split(new RegExp(a.separator+'(?![^"]*"(?:(?:[^"]*"){2})*[^"]*$)'));if(j.length===e){if(a.header)for(var k=0;k<f.length;k++)i[f[k]]=h(j[k]);else for(var l=0;l<j.length;l++)i[l]=h(j[l]);c.push(i)}}return c},h=function(a){return a.replace(/^\s*|\s*$/g,"").replace(/^"|"$/g,"").replace(/""/g,'"')}}}});
\ No newline at end of file
+/*! angular-csv-import - v0.0.38 - 2018-02-06
+* Copyright (c) 2018 ; Licensed  */
+"use strict";var csvImport=angular.module("ngCsvImport",[]);csvImport.directive("ngCsvImport",function(){return{restrict:"E",transclude:!0,replace:!0,scope:{content:"=?",header:"=?",headerVisible:"=?",separator:"=?",separatorVisible:"=?",result:"=?",encoding:"=?",encodingVisible:"=?",accept:"=?",acceptSize:"=?",acceptSizeExceedCallback:"=?",callback:"=?",mdButtonClass:"@?",mdInputClass:"@?",mdButtonTitle:"@?",mdSvgIcon:"@?",uploadButtonLabel:"=",lockImportSameFile:"=?"},template:function(a,b){var c=angular.isDefined(b.material),d=angular.isDefined(b.multiple);return'<div class="ng-csv-import"><div ng-show="headerVisible"><div class="label">Header</div>'+(c?'<md-switch class="ng-csv-import-header-switch" ng-model="header"></md-switch>':'<input type="checkbox" ng-model="header">')+'</div><div ng-show="encodingVisible"><div class="label">Encoding</div><span>{{encoding}}</span></div><div ng-show="separatorVisible"><div class="label">Seperator</div><span><input class="separator-input '+(c?"_md md-input":"")+' " type="text" ng-change="changeSeparator" ng-model="separator"><span></div><div><input class="btn cta gray" upload-button-label="{{uploadButtonLabel}}" type="file" '+(d?"multiple":"")+' accept="{{accept}}"/>'+(c?'<md-button ng-click="onClick($event)" class="_md md-button {{mdButtonClass}}"><md-icon md-svg-icon="{{mdSvgIcon}}"></md-icon> {{mdButtonTitle}}</md-button><md-input-container style="margin:0;"><input type="text" class="_md md-input-readable md-input {{mdInputClass}}" ng-click="onClick($event)" ng-model="filename"></md-input-container>':"")+"</div></div>"},link:function(a,b,c){if(a.separatorVisible=!!a.separatorVisible,a.headerVisible=!!a.headerVisible,a.acceptSize=a.acceptSize||Number.POSITIVE_INFINITY,a.material=angular.isDefined(c.material),a.multiple=angular.isDefined(c.multiple),a.multiple)throw new Error("Multiple attribute is not supported yet.");var d=angular.element(b[0].querySelector('input[type="file"]')),e=angular.element(b[0].querySelector("md-input-container"));if(a.material&&d){if(d.removeClass("ng-show"),d.addClass("ng-hide"),e){var f=angular.element(e[0].querySelector("div.md-errors-spacer"));f&&f.remove()}a.onClick=function(){d.click()}}angular.element(b[0].querySelector(".separator-input")).on("keyup",function(b){if(null!=a.content){var c={csv:a.content,header:a.header,separator:b.target.value,encoding:a.encoding};a.result=g(c),a.$apply(),"function"==typeof a.callback&&null!=a.callback&&a.callback(b)}}),b.on("change",function(b){if(b.target.files.length){if(b.target.files[0].size>a.acceptSize)return void("function"==typeof a.acceptSizeExceedCallback&&a.acceptSizeExceedCallback(b.target.files[0]));a.filename=b.target.files[0].name;var c=new FileReader;if(c.onload=function(c){a.$apply(function(){var d={csv:c.target.result.replace(/\r\n|\r/g,"\n"),header:a.header,separator:a.separator};a.content=d.csv,a.result=g(d),a.result.filename=a.filename,a.$$postDigest(function(){"function"==typeof a.callback&&null!=a.callback&&a.callback(b)})})},"file"!==b.target.type||null==b.target.files&&null==b.srcElement.files){if(null!=a.content){var d={csv:a.content,header:!a.header,separator:a.separator};a.result=g(d),a.$$postDigest(function(){"function"==typeof a.callback&&null!=a.callback&&a.callback(b)})}}else c.readAsText((b.srcElement||b.target).files[0],a.encoding);a.lockImportSameFile||(angular.element(document).find('.ng-csv-import.ng-isolate-scope input[type="file"]')[0].value=null)}});var g=function(a){var b=a.csv.split(new RegExp('\n(?![^"]*"(?:(?:[^"]*"){2})*[^"]*$)')),c=[],d=0,e=b[0].split(a.separator).length,f=[];a.header&&(f=b[0].split(a.separator),d=1);for(var g=d;g<b.length;g++){var i={},j=b[g].split(new RegExp(a.separator+'(?![^"]*"(?:(?:[^"]*"){2})*[^"]*$)'));if(j.length===e){if(a.header)for(var k=0;k<f.length;k++)i[f[k]]=h(j[k]);else for(var l=0;l<j.length;l++)i[l]=h(j[l]);c.push(i)}}return c},h=function(a){return a.replace(/^\s*|\s*$/g,"").replace(/^"|"$/g,"").replace(/""/g,'"')}}}});
\ No newline at end of file
diff --git a/lib/angular-csv-import.js b/lib/angular-csv-import.js
index a1a2445..55adeb3 100644
--- a/lib/angular-csv-import.js
+++ b/lib/angular-csv-import.js
@@ -24,15 +24,16 @@ csvImport.directive('ngCsvImport', function() {
 			mdInputClass: '@?',
 			mdButtonTitle: '@?',
 			mdSvgIcon: '@?',
-			uploadButtonLabel: '='
+			uploadButtonLabel: '=',
+			lockImportSameFile:'=?'
 		},
 		template: function(element, attrs) {
 			var material = angular.isDefined(attrs.material);
 			var multiple = angular.isDefined(attrs.multiple);
 			return '<div class="ng-csv-import">'+
-		  	'<div ng-show="headerVisible"><div class="label">Header</div>' +
-		  	(material ? '<input type="checkbox" ng-model="header"></div>' :
-		  		'<md-switch class="ng-csv-import-header-switch" ng-model="header"></md-switch>') +
+			'<div ng-show="headerVisible"><div class="label">Header</div>' +
+			(material ? '<md-switch class="ng-csv-import-header-switch" ng-model="header"></md-switch>' : '<input type="checkbox" ng-model="header">') +
+			'</div>' +
 			'<div ng-show="encodingVisible"><div class="label">Encoding</div><span>{{encoding}}</span></div>'+
 			'<div ng-show="separatorVisible">'+
 			'<div class="label">Seperator</div>'+
@@ -81,9 +82,9 @@ csvImport.directive('ngCsvImport', function() {
 					scope.result = csvToJSON(content);
 					scope.$apply();
 					if ( typeof scope.callback === 'function' ) {
-                        			if ( scope.callback != null) {
-                            				scope.callback(e);
-                        			}
+						if ( scope.callback != null) {
+							scope.callback(e);
+						}
 					}
 				}
 			});
@@ -114,9 +115,9 @@ csvImport.directive('ngCsvImport', function() {
 						scope.result.filename = scope.filename;
 						scope.$$postDigest(function(){
 							if ( typeof scope.callback === 'function' ) {
-				                                if ( scope.callback != null) {
-				                                    scope.callback(onChangeEvent);
-				                                }
+								if ( scope.callback != null) {
+									scope.callback(onChangeEvent);
+								}
 							}
 						});
 					});
@@ -134,13 +135,16 @@ csvImport.directive('ngCsvImport', function() {
 						scope.result = csvToJSON(content);
 						scope.$$postDigest(function(){
 							if ( typeof scope.callback === 'function' ) {
-				                                if ( scope.callback != null) {
-				                                    scope.callback(onChangeEvent);
-				                                }
+								if ( scope.callback != null) {
+									scope.callback(onChangeEvent);
+								}
 							}
 						});
 					}
 				}
+				if(!scope.lockImportSameFile){
+					angular.element(document).find('.ng-csv-import.ng-isolate-scope input[type="file"]')[0].value = null;
+				}
 			});
 
 			var csvToJSON = function(content) {