diff --git a/scripts/download_backtest_data.py b/scripts/download_backtest_data.py
index c4a1b59c5..c8fd08747 100755
--- a/scripts/download_backtest_data.py
+++ b/scripts/download_backtest_data.py
@@ -31,6 +31,7 @@ if args.config:
     configuration = Configuration(args)
     config = configuration._load_config_file(args.config)
 
+    config['stake_currency'] = ''
     # Ensure we do not use Exchange credentials
     config['exchange']['key'] = ''
     config['exchange']['secret'] = ''