diff --git a/app/api/schemas/disbursement.py b/app/api/schemas/disbursement.py
index 111d84d..bba5072 100644
--- a/app/api/schemas/disbursement.py
+++ b/app/api/schemas/disbursement.py
@@ -2,7 +2,7 @@ from marshmallow import Schema, fields
 
 class DisbursementSchema(Schema):
     transactionId = fields.Str(required=False, allow_none=True)
-    fbnTransactionId = fields.Str(required=False, allow_none=True)
+    FbnTransactionId = fields.Str(required=False, allow_none=True)
     debtId = fields.Str(required=False, allow_none=True)
     customerId = fields.Str(required=False, allow_none=True)
     accountId = fields.Str(required=False, allow_none=True)