diff --git a/src/fiber_package/entities/person.py b/src/fiber_package/entities/person.py
index c0febe7..0befc52 100644
--- a/src/fiber_package/entities/person.py
+++ b/src/fiber_package/entities/person.py
@@ -9,7 +9,7 @@ class PersonModel(BaseModel):
     first_name: str
     tussenvoegsels: str | None = None  # only in Dutch names
     last_name: str
-    full_name: str  # first_name + tussenvoegsels + last_name
+    full_name: str | None = None  # first_name + tussenvoegsels + last_name
     email: EmailStr
     language: LanguageOption