diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
index 101f32a19..f0026f39b 100644
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -1270,7 +1270,7 @@ class Exchange:
         timeframe: str,
         since_ms: int,
         is_new_pair: bool = False,
-        price: Optional[str]
+        price: Optional[str] = None
     ) -> List:
         """
         Get candle history using asyncio and returns the list of candles.