diff --git a/app/assets/javascripts/admin/filemanager.js b/app/assets/javascripts/admin/filemanager.js
index df98b25..92e6deb 100644
--- a/app/assets/javascripts/admin/filemanager.js
+++ b/app/assets/javascripts/admin/filemanager.js
@@ -65,7 +65,7 @@ function getUrlParam( paramName ) {
 var initAssets = function(){
   $("#asset_sort_list").on(clickEvent,"input[type=checkbox]",function(){
     if($("#asset_sort_list input[type=checkbox]:checked").length == 1){
-      url = window.location.protocol + "//" + window.location.host + $("#url_" + $("input[type=checkbox]:checked").val()).val();
+      url = $("#url_" + $("input[type=checkbox]:checked").val()).val();
       insertBtn.show();
       showPreview($("input[type=checkbox]:checked"))
     }else{