diff --git a/product/ERP5/Document/EmailDocument.py b/product/ERP5/Document/EmailDocument.py
index 6cfd15934f4c71fcd835e47c35d19356dd1a0f26..ac05571be73c1c64301f87bba906b420f905186b 100644
--- a/product/ERP5/Document/EmailDocument.py
+++ b/product/ERP5/Document/EmailDocument.py
@@ -507,7 +507,7 @@ class EmailDocument(File, TextDocument):
                                        attachment_list=attachment_list,
                                        additional_headers=additional_headers)
       mail_message = mime_message.as_string()
-      self.activate().sendMailHostMessage(mail_message)
+      self.activate(activity='SQLQueue').sendMailHostMessage(mail_message)
 
     # Save one of mail messages.
     self.setData(mail_message)