diff --git a/work.py b/work.py
index 4b2333c7e8..6fb5765410 100644
--- a/work.py
+++ b/work.py
@@ -402,7 +402,7 @@ class Work:
 
         return Invoice(
             company=self.company,
-            type='out_invoice',
+            type='out',
             journal=journal,
             party=self.party,
             invoice_address=self.party.address_get(type='invoice'),