diff --git a/pfbudget/db/model.py b/pfbudget/db/model.py
index eb2d712..68d2fa6 100644
--- a/pfbudget/db/model.py
+++ b/pfbudget/db/model.py
@@ -106,6 +106,7 @@ class Transaction(Base, Export):
     @property
     def format(self) -> dict[str, Any]:
         return dict(
+            id=self.id,
             date=self.date,
             description=self.description,
             amount=self.amount,