diff --git a/lib/cash-in/cash-in-atomic.js b/lib/cash-in/cash-in-atomic.js
index 2744eb3b..b043772c 100644
--- a/lib/cash-in/cash-in-atomic.js
+++ b/lib/cash-in/cash-in-atomic.js
@@ -40,8 +40,12 @@ function insertNewBills (t, billRows, machineTx) {
   const bills = pullNewBills(billRows, machineTx)
   if (_.isEmpty(bills)) return Promise.resolve([])
 
-  const dbBills = _.map(cashInLow.massage, bills)
-  const getBillsByDestination = destination => _.filter(it => it.destination_unit === destination)(dbBills)
+  const _dbBills = _.map(cashInLow.massage, bills)
+  // BACKWARDS_COMPATIBILITY 8.1
+  // bills before 8.6 don't have destination_unit
+  const dbBills = _.map(_.defaults({ destination_unit: 'cashbox'}))(_dbBills)
+
+ const getBillsByDestination = destination => _.filter(it => it.destination_unit === destination)(dbBills)
 
   const columns = ['id', 'fiat', 'fiat_code', 'crypto_code', 'cash_in_fee', 'cash_in_txs_id', 'device_time', 'destination_unit']
   const sql = pgp.helpers.insert(dbBills, columns, 'bills')