diff --git a/app/Models/Transaction.php b/app/Models/Transaction.php
index 87f7b139e2..f10e2cb6b1 100644
--- a/app/Models/Transaction.php
+++ b/app/Models/Transaction.php
@@ -54,6 +54,8 @@ class Transaction extends Model
             'bill_name_encrypted' => 'boolean',
             'reconciled'          => 'boolean',
             'balance_dirty'       => 'boolean',
+            'balance_before'      => 'string'
+            'balance_after'       => 'string'
             'date'                => 'datetime',
         ];