diff --git a/ereuse_devicehub/resources/deliverynote/models.py b/ereuse_devicehub/resources/deliverynote/models.py
index e791f450..5b56312e 100644
--- a/ereuse_devicehub/resources/deliverynote/models.py
+++ b/ereuse_devicehub/resources/deliverynote/models.py
@@ -83,4 +83,4 @@ class Deliverynote(Thing):
         db.session.delete(self)
 
     def __repr__(self) -> str:
-        return '<Deliverynote {0.documentID}>'.format(self)
+        return '<Deliverynote {0.document_id}>'.format(self)