diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_download.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_download.xml
index 29f303613656bd23ab9a33ae5b2c524f40348ba7..bfb8c87226f345756c73694dc3b0e2dde1ef5ab4 100644
--- a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_download.xml
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_download.xml
@@ -58,13 +58,14 @@ response = request.RESPONSE\n
 \n
 from zExceptions import Unauthorized\n
 \n
+format = None\n
 # Always force download of document even if format is supported\n
 # by browser\n
-file_name = context.getStandardFileName(None)\n
+file_name = context.getStandardFileName(format)\n
 response.setHeader(\'Content-disposition\', \'attachment; filename="%s"\' % file_name)\n
 \n
 try:\n
-  return context.index_html(request, response)\n
+  return context.index_html(request, response, format)\n
 except Unauthorized:\n
   msg = context.Base_translateString("You do not have enough permission for converting this document.")\n
   return context.Base_redirect(keep_items=dict(portal_status_message=msg))\n
@@ -110,8 +111,9 @@ except Unauthorized:\n
                             <string>response</string>
                             <string>zExceptions</string>
                             <string>Unauthorized</string>
-                            <string>context</string>
                             <string>None</string>
+                            <string>format</string>
+                            <string>context</string>
                             <string>file_name</string>
                             <string>msg</string>
                             <string>dict</string>
diff --git a/product/ERP5/bootstrap/erp5_core/bt/revision b/product/ERP5/bootstrap/erp5_core/bt/revision
index 44e788259d45fff259b6745ca106e76ecebb8107..08ae03db58def725778b2a4c76b0d2f2d5c68a19 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/revision
+++ b/product/ERP5/bootstrap/erp5_core/bt/revision
@@ -1 +1 @@
-1646
\ No newline at end of file
+1650
\ No newline at end of file