diff --git a/tests/queries/0_stateless/01529_union_distinct_and_setting_union_default_mode.reference b/tests/queries/0_stateless/01529_union_distinct_and_setting_union_default_mode.reference
index 868cadf1d81..f9f3ee818e9 100644
--- a/tests/queries/0_stateless/01529_union_distinct_and_setting_union_default_mode.reference
+++ b/tests/queries/0_stateless/01529_union_distinct_and_setting_union_default_mode.reference
@@ -10,6 +10,8 @@
 1
 1
 1
+all
+all
 1
 1
 1
@@ -51,6 +53,9 @@
 1
 1
 1
+all
+all
+all
 1
 1
 1
diff --git a/tests/queries/0_stateless/01529_union_distinct_and_setting_union_default_mode.sql b/tests/queries/0_stateless/01529_union_distinct_and_setting_union_default_mode.sql
index 30ccfdc8c45..6e45c150508 100644
--- a/tests/queries/0_stateless/01529_union_distinct_and_setting_union_default_mode.sql
+++ b/tests/queries/0_stateless/01529_union_distinct_and_setting_union_default_mode.sql
@@ -2,6 +2,7 @@ SELECT 1;
 (((((((SELECT 1) UNION SELECT 1) UNION SELECT 1) UNION SELECT 1) UNION SELECT 1) UNION SELECT 1) UNION SELECT 1) UNION SELECT 1;
 (((((((SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1;
 SELECT 1 UNION SELECT 1 UNION SELECT 1 UNION ALL SELECT 1;
+SELECT 'all' UNION SELECT 'all' UNION ALL SELECT 'all';
 SELECT 1 UNION SELECT 1 UNION SELECT 1 UNION DISTINCT SELECT 1;
 SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION SELECT 1 UNION ALL SELECT 1;
 SELECT 1 UNION (SELECT 1 UNION ALL SELECT 1 UNION SELECT 1 UNION DISTINCT SELECT 1 UNION ALL SELECT 1);
@@ -15,6 +16,7 @@ SET union_default_mode='ALL';
 (((((((SELECT 1) UNION SELECT 1) UNION SELECT 1) UNION SELECT 1) UNION SELECT 1) UNION SELECT 1) UNION SELECT 1) UNION SELECT 1;
 (((((((SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1) UNION ALL SELECT 1;
 SELECT 1 UNION SELECT 1 UNION SELECT 1 UNION ALL SELECT 1;
+SELECT 'all' UNION SELECT 'all' UNION ALL SELECT 'all';
 SELECT 1 UNION SELECT 1 UNION SELECT 1 UNION DISTINCT SELECT 1;
 SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION SELECT 1 UNION ALL SELECT 1;
 SELECT 1 UNION (SELECT 1 UNION ALL SELECT 1 UNION SELECT 1 UNION DISTINCT SELECT 1 UNION ALL SELECT 1);