diff --git a/lib/exchange.js b/lib/exchange.js
index ee325b2f..00316eae 100644
--- a/lib/exchange.js
+++ b/lib/exchange.js
@@ -16,6 +16,7 @@ function fetchExchange (settings, cryptoCode) {
   return Promise.resolve()
     .then(() => {
       const exchangeName = lookupExchange(settings, cryptoCode)
+      if (exchangeName === 'mock-exchange') return { exchangeName, account: { currencyMarket: 'EUR' } }
       if (!exchangeName) throw new Error('No exchange set')
       const account = settings.accounts[exchangeName]