diff --git a/aws_lambda_powertools/utilities/data_masking/base.py b/aws_lambda_powertools/utilities/data_masking/base.py
index 4dea3a2fdea..db27a01840d 100644
--- a/aws_lambda_powertools/utilities/data_masking/base.py
+++ b/aws_lambda_powertools/utilities/data_masking/base.py
@@ -292,6 +292,7 @@ def _call_action(
         - None: The method does not return any value, as it updates the fields in-place.
         """
         fields[field_name] = action(field_value, provider_options=provider_options, **encryption_context)
+        return fields[field_name]
 
     def _normalize_data_to_parse(self, fields: list, data: str | dict) -> dict:
         if not fields: