diff --git a/public/self/dataset_preview.js b/public/self/dataset_preview.js
index acda325c8..57bf7b7e3 100644
--- a/public/self/dataset_preview.js
+++ b/public/self/dataset_preview.js
@@ -606,7 +606,7 @@ function last(){
 
 function showfilelist(){
   var filename_title = $('a.section:first').text()
-  filename_title = filename_title.split('.')[0]
+  filename_title = filename_title.substring(0,filename_title.lastIndexOf('.'))
   var htmlstr = '';
   // htmlstr += '<div class="ui list">';
   htmlstr += '<div class="item" style="padding:1.2em;border-bottom:0;display: table;width: 100%;">'
@@ -669,7 +669,7 @@ function breadFiles(){
   // } 
     var fname_full_path=""
     var filename_title = $('a.section:first').text() 
-    filename_title = filename_title.split('.')[0]
+    filename_title = filename_title.substring(0,filename_title.lastIndexOf('.'))
     var tmp_index = tableData[fileindex].pic_image_field.indexOf("/",70);
     if(tmp_index != -1){
       fname_full_path = tableData[fileindex].pic_image_field.substring(tmp_index + 1);