diff --git a/awswrangler/pandas.py b/awswrangler/pandas.py
index 2dcf2f61c..01bb0c3f2 100644
--- a/awswrangler/pandas.py
+++ b/awswrangler/pandas.py
@@ -1000,5 +1000,5 @@ def drop_duplicated_columns(dataframe: pd.DataFrame, inplace: bool = True) -> pd
         if inplace is False:
             dataframe = dataframe.copy(deep=True)
         duplicated_cols = dataframe.columns.duplicated()
-        logger.warning(f"Dropping repeated columns: {duplicated_cols}")
+        logger.warning(f"Dropping repeated columns: {list(dataframe.columns[duplicated_cols])}")
         return dataframe.loc[:, ~duplicated_cols]