diff --git a/dbms/tests/queries/0_stateless/00441_nulls_in.reference b/dbms/tests/queries/0_stateless/00441_nulls_in.reference
index 81e812f596f..591e55ae41a 100644
--- a/dbms/tests/queries/0_stateless/00441_nulls_in.reference
+++ b/dbms/tests/queries/0_stateless/00441_nulls_in.reference
@@ -5,12 +5,12 @@
 0
 0
 1
-0
+\N
 1
 0
 0
 1
-0
+\N
 1
 0
 0
@@ -27,7 +27,7 @@
 1
 0
 1
-0
+\N
 0
 1
 0
@@ -35,12 +35,12 @@
 0
 0
 1
-0
+\N
 1
 0
 0
 1
-0
+\N
 1
 0
 0
@@ -57,7 +57,7 @@
 1
 0
 1
-0
+\N
 0
 1
 0