diff --git a/testing/trino-server-dev/etc/catalog/iceberg.properties b/testing/trino-server-dev/etc/catalog/iceberg.properties
index 8dc5bed65f96..c4c8980dc66b 100644
--- a/testing/trino-server-dev/etc/catalog/iceberg.properties
+++ b/testing/trino-server-dev/etc/catalog/iceberg.properties
@@ -6,7 +6,11 @@
 #
 connector.name=iceberg
 
+# Configuration appropriate for Hive as started by product test environment, e.g.
+#   trino-product-tests-launcher/bin/run-launcher env up --environment singlenode --without-trino
+# On Mac, this additionally requires that you add "<your external IP> hadoop-master" to /etc/hosts
 hive.metastore.uri=thrift://localhost:9083
+hive.hdfs.socks-proxy=localhost:1180
 
 # Fail-fast in development
 hive.metastore.thrift.client.max-retry-time=1s