diff --git a/dbms/tests/queries/0_stateless/00615_nullable_alter_optimize.reference b/dbms/tests/queries/0_stateless/00615_nullable_alter_optimize.reference
index bb75cf90770..eb9c769c60a 100644
--- a/dbms/tests/queries/0_stateless/00615_nullable_alter_optimize.reference
+++ b/dbms/tests/queries/0_stateless/00615_nullable_alter_optimize.reference
@@ -1,4 +1,4 @@
-2067-01-12	100	key	\N
-2067-01-12	100	key	100500
-2067-01-12	100	key	\N
-2067-01-12	100	key	100500
+2000-01-01	100	key	\N
+2000-01-01	100	key	100500
+2000-01-01	100	key	\N
+2000-01-01	100	key	100500
diff --git a/dbms/tests/queries/0_stateless/00615_nullable_alter_optimize.sql b/dbms/tests/queries/0_stateless/00615_nullable_alter_optimize.sql
index 111f4a39344..8ab4d5e6f26 100644
--- a/dbms/tests/queries/0_stateless/00615_nullable_alter_optimize.sql
+++ b/dbms/tests/queries/0_stateless/00615_nullable_alter_optimize.sql
@@ -9,12 +9,12 @@ CREATE TABLE test
     data Nullable(Int8)
 ) ENGINE = MergeTree(dt, (id, key, dt), 8192);
 
-INSERT INTO test (dt,id, key,data) VALUES (now(), 100, 'key', 100500);
+INSERT INTO test (dt,id, key,data) VALUES ('2000-01-01', 100, 'key', 100500);
 
 alter table test drop column data;
 alter table test add column data Nullable(Float64);
 
-INSERT INTO test (dt,id, key,data) VALUES (now(), 100, 'key', 100500);
+INSERT INTO test (dt,id, key,data) VALUES ('2000-01-01', 100, 'key', 100500);
 
 SELECT * FROM test ORDER BY data NULLS FIRST;
 OPTIMIZE TABLE test;