diff --git a/go/vt/vtexplain/testdata/multi-output/selectsharded-output.txt b/go/vt/vtexplain/testdata/multi-output/selectsharded-output.txt
index c53e759ea8f..8d393647cf3 100644
--- a/go/vt/vtexplain/testdata/multi-output/selectsharded-output.txt
+++ b/go/vt/vtexplain/testdata/multi-output/selectsharded-output.txt
@@ -207,9 +207,9 @@ SELECT id FROM orders WHERE id IN (1, "1", 1)
 2 ks_sharded/40-80: select id from orders where id in (1, '1', 1) limit 10001
 
 ----------------------------------------------------------------------
-(SELECT user.id, user.name FROM user WHERE user.id = 1) UNION (SELECT user.id, user.name FROM user WHERE user.id = 2)
+(SELECT user.id, user.name FROM user WHERE user.id = 1) UNION (SELECT user.id, user.name FROM user WHERE user.id = 3)
 
-2 ks_sharded/-40: select distinct `user`.id, `user`.`name`, weight_string(`user`.id), weight_string(`user`.`name`) from `user` where `user`.id = 2 limit 10001 /* INT64 */
-2 ks_sharded/-40: select distinct `user`.id, `user`.`name`, weight_string(`user`.id), weight_string(`user`.`name`) from `user` where `user`.id = 1 limit 10001 /* INT64 */
+1 ks_sharded/-40: select distinct `user`.id, `user`.`name`, weight_string(`user`.id), weight_string(`user`.`name`) from `user` where `user`.id = 1 limit 10001 /* INT64 */
+1 ks_sharded/40-80: select distinct `user`.id, `user`.`name`, weight_string(`user`.id), weight_string(`user`.`name`) from `user` where `user`.id = 3 limit 10001 /* INT64 */
 
 ----------------------------------------------------------------------
diff --git a/go/vt/vtexplain/testdata/selectsharded-queries.sql b/go/vt/vtexplain/testdata/selectsharded-queries.sql
index a68b5c49073..067f53df4e6 100644
--- a/go/vt/vtexplain/testdata/selectsharded-queries.sql
+++ b/go/vt/vtexplain/testdata/selectsharded-queries.sql
@@ -40,4 +40,4 @@ SELECT user.id, user.name, name_info.info FROM user INNER JOIN music ON (user.id
 
 SELECT id FROM orders WHERE id IN (1, "1", 1);
 
-(SELECT user.id, user.name FROM user WHERE user.id = 1) UNION (SELECT user.id, user.name FROM user WHERE user.id = 2);
+(SELECT user.id, user.name FROM user WHERE user.id = 1) UNION (SELECT user.id, user.name FROM user WHERE user.id = 3);