diff --git a/app/api/services/base_service.py b/app/api/services/base_service.py
index 55d03c3..e3e18fc 100644
--- a/app/api/services/base_service.py
+++ b/app/api/services/base_service.py
@@ -51,7 +51,7 @@ class BaseService:
         return Transaction.create_transaction(
             transaction_id = validated_data.get("transactionId"),
             ref_id = validated_data.get("refId") or validated_data.get("accountId"),
-            ref_model = validated_data.get("refModel", "Account"),
+            ref_model = validated_data.get("refModel", "account"),
             type = cls.TRANSACTION_TYPE,
             channel = validated_data.get("channel"),
         )