diff --git a/odoo/addons/base/models/assetsbundle.py b/odoo/addons/base/models/assetsbundle.py
index 88ce74aa9e9d44496f9bfc2475651432b11e3620..d51e6c8e34790e28a5923ff48a8b9466fdb0f2fe 100644
--- a/odoo/addons/base/models/assetsbundle.py
+++ b/odoo/addons/base/models/assetsbundle.py
@@ -466,7 +466,7 @@ class AssetsBundle(object):
                         fname = os.path.basename(asset.url)
                         url = asset.html_url
                         with self.env.cr.savepoint():
-                            self.env['ir.attachment'].sudo().create(dict(
+                            self.env['ir.attachment'].sudo().with_context(not_force_website_id=True).create(dict(
                                 datas=base64.b64encode(asset.content.encode('utf8')),
                                 mimetype='text/css',
                                 type='binary',