diff --git a/addons/purchase/test/ui/duplicate_order.yml b/addons/purchase/test/ui/duplicate_order.yml
index d49cec22d73..cc927c30486 100644
--- a/addons/purchase/test/ui/duplicate_order.yml
+++ b/addons/purchase/test/ui/duplicate_order.yml
@@ -4,4 +4,4 @@
   I duplicate order.
 -
   !python {model: purchase.order}: |
-    self.copy(cr, uid, ref('purchase_order_1'), context)
+    self.copy_data(cr, uid, ref('purchase_order_1'), context)