diff --git a/src/test/regress/spec/isolation_replicate_reference_tables_to_coordinator.spec b/src/test/regress/spec/isolation_replicate_reference_tables_to_coordinator.spec
index 7a2a4d8dd..cdc00abbe 100644
--- a/src/test/regress/spec/isolation_replicate_reference_tables_to_coordinator.spec
+++ b/src/test/regress/spec/isolation_replicate_reference_tables_to_coordinator.spec
@@ -1,5 +1,6 @@
 setup
 {
+  SET citus.next_shard_id TO 1500877;
   CREATE TABLE ref_table(a int primary key);
   SELECT create_reference_table('ref_table');
   INSERT INTO ref_table VALUES (1), (3), (5), (7);
@@ -137,7 +138,7 @@ step "add-node"
 
 // verify that locks on the placement of the reference table on the coordinator is
 // taken into account when looking for distributed deadlocks
-permutation "add-node" "s1-begin" "s2-begin" "s1-update-dist-table" "s2-lock-ref-table-placement-on-coordinator" "s1-lock-ref-table-placement-on-coordinator" "s2-update-dist-table" "deadlock-checker-call" "s1-end" "s2-end"
+permutation "add-node" "s1-begin" "s2-begin" "s1-update-dist-table" "s2-lock-ref-table-placement-on-coordinator" "s1-lock-ref-table-placement-on-coordinator" "s2-update-dist-table" ("s1-lock-ref-table-placement-on-coordinator") "deadlock-checker-call" "s1-end" "s2-end"
 
 // verify that *_dist_stat_activity() functions return the correct result when query
 // has a task on the coordinator.