diff --git a/modules/product_kit/tests/scenario_product_kit_purchase.rst b/modules/product_kit/tests/scenario_product_kit_purchase.rst
index b02c1dd903..bd9866d6dc 100644
--- a/modules/product_kit/tests/scenario_product_kit_purchase.rst
+++ b/modules/product_kit/tests/scenario_product_kit_purchase.rst
@@ -233,7 +233,7 @@ Receive partial shipment::
 Check new invoice::
 
     >>> purchase.reload()
-    >>> _, invoice = purchase.invoices
+    >>> invoice, = [i for i in purchase.invoices if i != invoice]
     >>> len(invoice.lines)
     3
     >>> product2quantity = {l.product: l.quantity for l in invoice.lines}
diff --git a/modules/product_kit/tests/scenario_product_kit_sale.rst b/modules/product_kit/tests/scenario_product_kit_sale.rst
index b1056c9277..5be7cc523b 100644
--- a/modules/product_kit/tests/scenario_product_kit_sale.rst
+++ b/modules/product_kit/tests/scenario_product_kit_sale.rst
@@ -216,7 +216,7 @@ Ship partially::
 Check new invoice::
 
     >>> sale.reload()
-    >>> _, invoice = sale.invoices
+    >>> invoice, = [i for i in sale.invoices if i != invoice]
     >>> len(invoice.lines)
     3
     >>> product2quantity = {l.product: l.quantity for l in invoice.lines}