diff --git a/freqtrade/strategy/interface.py b/freqtrade/strategy/interface.py
index 94a90e5d1..400997baf 100644
--- a/freqtrade/strategy/interface.py
+++ b/freqtrade/strategy/interface.py
@@ -327,6 +327,8 @@ class IStrategy(ABC):
 
         latest_date = dataframe['date'].max()
         latest = dataframe.loc[dataframe['date'] == latest_date].iloc[-1]
+        # Explicitly convert to arrow object to ensure the below comparison does not fail
+        latest_date = arrow.get(latest_date)
 
         # Check if dataframe is out of date
         interval_minutes = timeframe_to_minutes(interval)