diff --git a/addons/website_sale_digital/models/account_invoice.py b/addons/website_sale_digital/models/account_invoice.py
index 4ca091914c7..5d5e350912e 100644
--- a/addons/website_sale_digital/models/account_invoice.py
+++ b/addons/website_sale_digital/models/account_invoice.py
@@ -13,7 +13,11 @@ class AccountInvoiceLine(models.Model):
 
         # Get paid invoices
         purchases = self.sudo().search_read(
-            domain=[('move_id.invoice_payment_state', '=', 'paid'), ('move_id.partner_id', '=', partner.id)],
+            domain=[
+                ('move_id.invoice_payment_state', '=', 'paid'),
+                ('move_id.partner_id', '=', partner.id),
+                ('product_id', '!=', False),
+            ],
             fields=['product_id'],
         )