diff --git a/invoice.py b/invoice.py
index cdb4966..95a8edf 100644
--- a/invoice.py
+++ b/invoice.py
@@ -194,6 +194,7 @@ class Invoice(metaclass=PoolMeta):
             invoice.reference = self.number
             invoice.on_change_party()
             invoice.account = self.get_intercompany_account()
+            invoice.journal = invoice.on_change_with_journal()
             lines = []
             for line in self.lines:
                 lines.append(line.get_intercompany_line())