diff --git a/ureport2-js/src/preview.js b/ureport2-js/src/preview.js
index d7dfbe9..bc005f5 100644
--- a/ureport2-js/src/preview.js
+++ b/ureport2-js/src/preview.js
@@ -104,9 +104,7 @@ $(document).ready(function(){
         window.open(url,'_blank');
     });
     $(`.ureport-back-btn`).click(function(){
-        console.log("nelson")
-        window.top.history.back()
-       debugger
+        window.parent.postMessage({'goback': -1},'*')
     });
     // $(`.ureport-export-excel-paging`).click(function(){
     //     const urlParameters=buildLocationSearchParameters();