diff --git a/src/test/regress/expected/tableam.out b/src/test/regress/expected/tableam.out
index 333380503..241420619 100644
--- a/src/test/regress/expected/tableam.out
+++ b/src/test/regress/expected/tableam.out
@@ -201,7 +201,8 @@ SELECT master_copy_shard_placement(
            get_shard_id_for_distribution_column('test_range_dist', '1'),
            'localhost', :worker_1_port,
            'localhost', :worker_2_port,
-           do_repair := false);
+           do_repair := false,
+		   transfer_mode := 'block_writes');
  master_copy_shard_placement
 ---------------------------------------------------------------------
 
diff --git a/src/test/regress/sql/tableam.sql b/src/test/regress/sql/tableam.sql
index 68b127300..c8f6abe52 100644
--- a/src/test/regress/sql/tableam.sql
+++ b/src/test/regress/sql/tableam.sql
@@ -99,7 +99,8 @@ SELECT master_copy_shard_placement(
            get_shard_id_for_distribution_column('test_range_dist', '1'),
            'localhost', :worker_1_port,
            'localhost', :worker_2_port,
-           do_repair := false);
+           do_repair := false,
+		   transfer_mode := 'block_writes');
 
 select a.shardid, a.nodeport
 FROM pg_dist_shard b, pg_dist_shard_placement a