diff --git a/exchanges/exchange.go b/exchanges/exchange.go
index 64bf4e7f..8b57156d 100644
--- a/exchanges/exchange.go
+++ b/exchanges/exchange.go
@@ -303,7 +303,7 @@ type IBotExchange interface {
 	GetAccountInfo() (AccountInfo, error)
 	GetAuthenticatedAPISupport() bool
 	SetCurrencies(pairs []currency.Pair, enabledPairs bool) error
-	GetExchangeHistory(currency.Pair, string) ([]TradeHistory, error)
+	GetExchangeHistory(p currency.Pair, assetType string) ([]TradeHistory, error)
 	SupportsAutoPairUpdates() bool
 	GetLastPairsUpdateTime() int64
 	SupportsRESTTickerBatchUpdates() bool