diff --git a/lib/plugins/exchange/ccxt.js b/lib/plugins/exchange/ccxt.js
index 087d3d6c..a0f5904e 100644
--- a/lib/plugins/exchange/ccxt.js
+++ b/lib/plugins/exchange/ccxt.js
@@ -14,14 +14,14 @@ function trade (side, account, tradeEntry, exchangeName) {
     const exchangeConfig = ALL[exchangeName]
     if (!exchangeConfig) throw Error('Exchange configuration not found')
 
-    const { CUSTOM_KEY, loadOptions, loadConfig = _.noop, REQUIRED_CONFIG_FIELDS, ORDER_TYPE, AMOUNT_PRECISION } = exchangeConfig
+    const { USER_REF, loadOptions, loadConfig = _.noop, REQUIRED_CONFIG_FIELDS, ORDER_TYPE, AMOUNT_PRECISION } = exchangeConfig
     if (!isConfigValid(account, REQUIRED_CONFIG_FIELDS)) throw Error('Invalid config')
 
     const symbol = buildMarket(fiatCode, cryptoCode, exchangeName)
     const precision = _.defaultTo(DEFAULT_AMOUNT_PRECISION, AMOUNT_PRECISION)
     const amount = toUnit(cryptoAtoms, cryptoCode).toFixed(precision)
     const accountOptions = _.isFunction(loadOptions) ? loadOptions(account) : {}
-    const withCustomKey = CUSTOM_KEY ? { [CUSTOM_KEY]: tradeId } : {}
+    const withCustomKey = USER_REF ? { [USER_REF]: tradeId } : {}
     const options = _.assign(accountOptions, withCustomKey)
     const exchange = new ccxt[exchangeName](loadConfig(account))
 
diff --git a/lib/plugins/exchange/kraken.js b/lib/plugins/exchange/kraken.js
index 0f95d205..61c0d3d8 100644
--- a/lib/plugins/exchange/kraken.js
+++ b/lib/plugins/exchange/kraken.js
@@ -9,7 +9,7 @@ const CRYPTO = [BTC, ETH, LTC, DASH, ZEC, BCH, USDT]
 const FIAT = ['USD', 'EUR']
 const AMOUNT_PRECISION = 6
 const REQUIRED_CONFIG_FIELDS = ['apiKey', 'privateKey']
-const CUSTOM_KEY = 'userref'
+const USER_REF = 'userref'
 
 const loadConfig = (account) => {
   const mapper = {
@@ -21,4 +21,4 @@ const loadConfig = (account) => {
 
 const loadOptions = () => ({ expiretm: '+60' })
 
-module.exports = { CUSTOM_KEY, loadOptions, loadConfig, REQUIRED_CONFIG_FIELDS, CRYPTO, FIAT, ORDER_TYPE, AMOUNT_PRECISION }
+module.exports = { USER_REF, loadOptions, loadConfig, REQUIRED_CONFIG_FIELDS, CRYPTO, FIAT, ORDER_TYPE, AMOUNT_PRECISION }