diff --git a/src/test/regress/expected/multi_distributed_transaction_id.out b/src/test/regress/expected/multi_distributed_transaction_id.out
index 7c04d1c56..00d326dfc 100644
--- a/src/test/regress/expected/multi_distributed_transaction_id.out
+++ b/src/test/regress/expected/multi_distributed_transaction_id.out
@@ -143,8 +143,8 @@ CREATE UNLOGGED TABLE parallel_id_test AS
 SELECT s AS a, s AS b, s AS c, s AS d, s AS e, s AS f, s AS g, s AS h FROM generate_series(1,150000) s;
 INSERT INTO parallel_id_test VALUES (1234567), (1234567), (1234568), (1234568);
 ANALYSE parallel_id_test;
-SET LOCAL max_parallel_workers_per_gather TO 8;
-SET LOCAL cpu_tuple_cost TO 1000000;
+SET LOCAL max_parallel_workers_per_gather TO 2;
+SET LOCAL parallel_tuple_cost TO 0;
 EXPLAIN (COSTS OFF)
 SELECT a FROM parallel_id_test WHERE a = parallel_worker_transaction_id_test();
                          QUERY PLAN                          
diff --git a/src/test/regress/sql/multi_distributed_transaction_id.sql b/src/test/regress/sql/multi_distributed_transaction_id.sql
index 5e185162c..2759a2610 100644
--- a/src/test/regress/sql/multi_distributed_transaction_id.sql
+++ b/src/test/regress/sql/multi_distributed_transaction_id.sql
@@ -96,8 +96,8 @@ SELECT s AS a, s AS b, s AS c, s AS d, s AS e, s AS f, s AS g, s AS h FROM gener
 INSERT INTO parallel_id_test VALUES (1234567), (1234567), (1234568), (1234568);
 ANALYSE parallel_id_test;
 
-SET LOCAL max_parallel_workers_per_gather TO 8;
-SET LOCAL cpu_tuple_cost TO 1000000;
+SET LOCAL max_parallel_workers_per_gather TO 2;
+SET LOCAL parallel_tuple_cost TO 0;
 
 EXPLAIN (COSTS OFF)
 SELECT a FROM parallel_id_test WHERE a = parallel_worker_transaction_id_test();