diff --git a/sensospot_data/dynamic_range.py b/sensospot_data/dynamic_range.py
index b095957..c41e9e4 100644
--- a/sensospot_data/dynamic_range.py
+++ b/sensospot_data/dynamic_range.py
@@ -87,13 +87,13 @@ def normalize_values(data_frame, normalized_time=None):
 def create_xdr(
     data_frame,
     normalized_time=None,
-    overflow_column=RAW_DATA_SPOT_MEAN,
-    overflow_limit=0.5,
+    column=RAW_DATA_SPOT_MEAN,
+    limit=0.5,
 ):
     """normalize measurement exposures
 
     normalized_time:
         if it is None, the max exposure time is used for normalization.
     """
-    data_frame = blend(data_frame, overflow_column, overflow_limit)
+    data_frame = blend(data_frame, column, limit)
     return normalize_values(data_frame, normalized_time)