diff --git a/addons/product/models/ir_attachment.py b/addons/product/models/ir_attachment.py
index 532db9d9db9..3b49f194079 100644
--- a/addons/product/models/ir_attachment.py
+++ b/addons/product/models/ir_attachment.py
@@ -17,8 +17,9 @@ class IrAttachment(models.Model):
                     and not attachment.res_field
             )
             if product_attachments:
-                self.env['product.document'].sudo().create({
-                    'ir_attachment_id': attachment.id
-                    for attachment in product_attachments
-                })
+                self.env['product.document'].sudo().create(
+                    {
+                        'ir_attachment_id': attachment.id
+                    } for attachment in product_attachments
+                )
         return attachments