diff --git a/yfinance/base.py b/yfinance/base.py
index 8e40831b8..0d42964e5 100644
--- a/yfinance/base.py
+++ b/yfinance/base.py
@@ -313,7 +313,7 @@ def history(self, period="1mo", interval="1d",
         else:
             # If a midnight is during DST transition hour when clocks roll back, 
             # meaning clock hits midnight twice, then use the 2nd (ambiguous=True)
-            df.index = _pd.to_datetime(df.index.date).tz_localize(tz_exchange, ambiguous=True)
+            df.index = _pd.to_datetime(df.index.date).tz_localize(tz_exchange, ambiguous=True, nonexistent='shift_forward')
             df.index.name = "Date"
 
         # duplicates and missing rows cleanup