diff --git a/pojo/ReserveResultPojo.py b/pojo/ReserveResultPojo.py
index d169d05..ecee8c6 100644
--- a/pojo/ReserveResultPojo.py
+++ b/pojo/ReserveResultPojo.py
@@ -20,7 +20,7 @@ class ReserveResultPojo:
     email: None
     id = None
     accepted = None
-    passport = None
+    passport: str = ""
     slot_position = None
     sim_position = None