diff --git a/src/server/BreCal/schemas/model.py b/src/server/BreCal/schemas/model.py
index b1f1300..9f77a34 100644
--- a/src/server/BreCal/schemas/model.py
+++ b/src/server/BreCal/schemas/model.py
@@ -161,11 +161,11 @@ class UserSchema(Schema):
         super().__init__(unknown=None)
         pass
     id = fields.Int(required=True)
-    first_name = fields.Str(required=False)
-    last_name = fields.Str(required=False)
-    user_phone = fields.Str(required=False)
-    old_password = fields.Str(required=False)
-    new_password = fields.Str(required=False)
+    first_name = fields.Str(Required=False, allow_none=True)
+    last_name = fields.Str(required=False, allow_none=True)
+    user_phone = fields.Str(required=False, allow_none=True)
+    old_password = fields.Str(required=False, allow_none=True)
+    new_password = fields.Str(required=False, allow_none=True)
 
 @dataclass
 class Times: