diff --git a/ecs/jskult-webapp/src/model/view/user_view_model.py b/ecs/jskult-webapp/src/model/view/user_view_model.py
index 55f1528a..5b523b4c 100644
--- a/ecs/jskult-webapp/src/model/view/user_view_model.py
+++ b/ecs/jskult-webapp/src/model/view/user_view_model.py
@@ -4,10 +4,10 @@ from pydantic import BaseModel
 
 
 class UserViewModel(BaseModel):
-    bio_flg: str  # AUTH_FLG1
-    doc_flg: str  # AUTH_FLG2
-    inst_flg: str  # AUTH_FLG3
-    master_mainte_flg: str  # AUTH_FLG4
+    bio_flg: Optional[str]  # AUTH_FLG1
+    doc_flg: Optional[str]  # AUTH_FLG2
+    inst_flg: Optional[str]  # AUTH_FLG3
+    master_mainte_flg: Optional[str]  # AUTH_FLG4
     user_flg: Optional[str]  # MNTUSER_FLG
 
     def has_ult_doctor_permission(self):