diff --git a/src/organisation/schemas.py b/src/organisation/schemas.py
index 3801195..68f147e 100644
--- a/src/organisation/schemas.py
+++ b/src/organisation/schemas.py
@@ -52,6 +52,6 @@ class OrgContactGetResponse(CustomBaseModel):
 class OrgOrgGetResponse(CustomBaseModel):
 	name: str
 	status: Status
-	owner_contact: OrgContactGetResponse
-	billing_contact: OrgContactGetResponse
-	security_contact: OrgContactGetResponse
+	owner_contact: Optional[OrgContactGetResponse] = None
+	billing_contact: Optional[OrgContactGetResponse] = None
+	security_contact: Optional[OrgContactGetResponse] = None