diff --git a/mail_attach_existing_attachment/__manifest__.py b/mail_attach_existing_attachment/__manifest__.py
index c907555e..03f11601 100644
--- a/mail_attach_existing_attachment/__manifest__.py
+++ b/mail_attach_existing_attachment/__manifest__.py
@@ -33,7 +33,7 @@
     'license': 'AGPL-3',
     'depends': [
         'mail',
-        'document',
+        'base',
     ],
     'data': [
         'wizard/mail_compose_message_view.xml',