diff --git a/backend/api/idfm_interface/idfm_types.py b/backend/api/idfm_interface/idfm_types.py
index 5fef609..e3a9344 100644
--- a/backend/api/idfm_interface/idfm_types.py
+++ b/backend/api/idfm_interface/idfm_types.py
@@ -141,6 +141,8 @@ class StopAreaStopAssociationFields(Struct, kw_only=True):
     artid: str | None = None
     arrversion: str
     zdcid: str
+    pdeid: str | None = None
+    pdeversion: int | None = None
     version: int
     zdaid: str
     zdaversion: str