diff --git a/dc_logging_aws/constructs/tasks/postcode_searches_query.py b/dc_logging_aws/constructs/tasks/postcode_searches_query.py
index 9a60986..e95de54 100644
--- a/dc_logging_aws/constructs/tasks/postcode_searches_query.py
+++ b/dc_logging_aws/constructs/tasks/postcode_searches_query.py
@@ -108,6 +108,7 @@ def __init__(
                 "Key": dest_key,
             },
             iam_resources=[results_bucket.arn_for_objects("*")],
+            iam_action="s3:PutObject",
             additional_iam_statements=[
                 iam.PolicyStatement(
                     actions=["s3:GetObject"],