diff --git a/zeppelin-web-angular/src/app/share/note-import/note-import.component.html b/zeppelin-web-angular/src/app/share/note-import/note-import.component.html
index 861da357a90..8a16dde9223 100644
--- a/zeppelin-web-angular/src/app/share/note-import/note-import.component.html
+++ b/zeppelin-web-angular/src/app/share/note-import/note-import.component.html
@@ -21,7 +21,7 @@
 
 <nz-tabset>
   <nz-tab nzTitle="Import From JSON File">
-    <nz-upload nzType="drag" [nzBeforeUpload]="beforeUpload" nzAccept="application/json,application/zpln">
+    <nz-upload nzType="drag" [nzBeforeUpload]="beforeUpload" nzAccept="application/json, .zpln">
       <p class="ant-upload-drag-icon">
         <i nz-icon nzType="inbox"></i>
       </p>