diff --git a/config/bollmaker.yaml b/config/bollmaker.yaml
index 0f01725e2..1a86fc6f5 100644
--- a/config/bollmaker.yaml
+++ b/config/bollmaker.yaml
@@ -18,6 +18,8 @@ backtest:
   # https://www.investopedia.com/terms/m/maximum-drawdown-mdd.asp
   startTime: "2021-08-01"
   endTime: "2021-08-30"
+  sessions:
+  - binance
   symbols:
   - ETHUSDT
   account: