diff --git a/freqtrade/persistence/models.py b/freqtrade/persistence/models.py
index 61f60301f..7cb6dff36 100644
--- a/freqtrade/persistence/models.py
+++ b/freqtrade/persistence/models.py
@@ -452,7 +452,7 @@ class LocalTrade():
             f"Trailing stoploss saved us: "
             f"{float(self.stop_loss) - float(self.initial_stop_loss):.8f}.")
 
-    def update(self, order: Dict) -> None:
+    def update(self, order: Dict, partial:bool=False) -> None:
         """
         Updates this entity with amount and actual open/close rates.
         :param order: order retrieved by exchange.fetch_order()