diff --git a/datatypes/epc/domain/historic_epc_matching.py b/datatypes/epc/domain/historic_epc_matching.py
index 2eb590e8..95ca9d9f 100644
--- a/datatypes/epc/domain/historic_epc_matching.py
+++ b/datatypes/epc/domain/historic_epc_matching.py
@@ -15,7 +15,7 @@ DEFAULT_S3_ROOT = "s3://retrofit-data-dev/historical_epc"
 _EXTRA_COLS = {"lexiscore", "lexirank"}
 
 
-def _row_to_historic_epc(row: pd.Series) -> HistoricEpc:
+def _map_historic_epc_pandas_row_to_domain(row: pd.Series) -> HistoricEpc:
     kwargs = {
         col.lower(): pandas_cell_to_str(val)
         for col, val in row.items()
@@ -94,7 +94,7 @@ def match_addresses_for_postcode(
 
     matches = [
         ScoredHistoricEpc(
-            record=_row_to_historic_epc(row),
+            record=_map_historic_epc_pandas_row_to_domain(row),
             lexiscore=float(row["lexiscore"]),
             lexirank=int(row["lexirank"]),
         )