diff --git a/src/triage/component/architect/entity_date_table_generators.py b/src/triage/component/architect/entity_date_table_generators.py
index 60f5e96fd..754cd5c3f 100644
--- a/src/triage/component/architect/entity_date_table_generators.py
+++ b/src/triage/component/architect/entity_date_table_generators.py
@@ -147,7 +147,7 @@ def _create_and_populate_entity_date_table_from_labels(self):
             """
         ))
         if len(existing_dates) > 0:
-            existing_dates = ', '.join(existing_dates)
+            existing_dates = ', '.join([rec[0].isoformat() for rec in existing_dates])
             logger.notice(f'Existing entity_dates records found for the following dates, '
                 f'so new records will not be inserted for these dates {existing_dates}')