diff --git a/test/tap/tests/test_cluster_sync_config/test_cluster_sync-t.cnf b/test/tap/tests/test_cluster_sync_config/test_cluster_sync-t.cnf
index 51b163f34..d546b1b7f 100644
--- a/test/tap/tests/test_cluster_sync_config/test_cluster_sync-t.cnf
+++ b/test/tap/tests/test_cluster_sync_config/test_cluster_sync-t.cnf
@@ -17,6 +17,7 @@ admin_variables=
     cluster_mysql_users_diffs_before_sync=3
     cluster_admin_variables_diffs_before_sync=3
     cluster_proxysql_servers_diffs_before_sync=3
+    cluster_mysql_servers_sync_algorithm=3
     cluster_sync_interfaces=false
 }