diff --git a/modules/sale_supply/tests/scenario_sale_supply_shipment_on_invoice.rst b/modules/sale_supply/tests/scenario_sale_supply_shipment_on_invoice.rst
index 88428e185e..86487a87bc 100644
--- a/modules/sale_supply/tests/scenario_sale_supply_shipment_on_invoice.rst
+++ b/modules/sale_supply/tests/scenario_sale_supply_shipment_on_invoice.rst
@@ -115,7 +115,7 @@ Not yet a purchase request::
 Pay for remaining products::
 
     >>> sale.reload()
-    >>> _, invoice = sale.invoices
+    >>> invoice, = [i for i in sale.invoices if i != invoice]
     >>> invoice.click('post')
     >>> pay = invoice.click('pay')
     >>> pay.form.payment_method = payment_method
diff --git a/modules/sale_supply_drop_shipment/tests/scenario_sale_supply_drop_shipment_on_invoice.rst b/modules/sale_supply_drop_shipment/tests/scenario_sale_supply_drop_shipment_on_invoice.rst
index 420d4b21ef..c0e72af0d8 100644
--- a/modules/sale_supply_drop_shipment/tests/scenario_sale_supply_drop_shipment_on_invoice.rst
+++ b/modules/sale_supply_drop_shipment/tests/scenario_sale_supply_drop_shipment_on_invoice.rst
@@ -132,7 +132,7 @@ Not yet a purchase request::
 Pay for remaining products::
 
     >>> sale.reload()
-    >>> _, invoice = sale.invoices
+    >>> invoice, = [i for i in sale.invoices if i != invoice]
     >>> invoice.click('post')
     >>> pay = invoice.click('pay')
     >>> pay.form.payment_method = payment_method