diff --git a/src/sensospot_tools/__init__.py b/src/sensospot_tools/__init__.py
index b5e1cd3..7ab193b 100644
--- a/src/sensospot_tools/__init__.py
+++ b/src/sensospot_tools/__init__.py
@@ -3,7 +3,7 @@
 Some small tools for working with parsed Sensospot data.
 """
 
-__version__ = "0.1.0"
+__version__ = "0.1.1"
 
 from .hdr import normalize, select_hdr_data  # noqa: F401
 from .selection import split, select  # noqa: F401
diff --git a/src/sensospot_tools/hdr.py b/src/sensospot_tools/hdr.py
index 3214dc5..bc29686 100644
--- a/src/sensospot_tools/hdr.py
+++ b/src/sensospot_tools/hdr.py
@@ -47,7 +47,6 @@ def select_hdr_data(
     Raises:
         KeyError: if any column does not exist in the data fram
     """
-
     check_columns_exist(data, spot_id_columns, time_column, overflow_column)
     spot_ids = ensure_list(spot_id_columns)
 
@@ -62,7 +61,7 @@ def select_hdr_data(
     for next_higher_time in indexed_data_by_time:
         selection = hdr_data[overflow_column]
         not_in_overlow = hdr_data.loc[~selection].copy()
-        replacement_for_overlow = next_higher_time[selection].copy()
+        replacement_for_overlow = next_higher_time.loc[selection].copy()
         hdr_data = pandas.concat((not_in_overlow, replacement_for_overlow))
 
     return hdr_data.reset_index()