diff --git a/tests/queries/0_stateless/01903_csvwithnames_subset_of_columns.reference b/tests/queries/0_stateless/01903_csvwithnames_subset_of_columns.reference
index 0d28df3186f..1e008a436cc 100644
--- a/tests/queries/0_stateless/01903_csvwithnames_subset_of_columns.reference
+++ b/tests/queries/0_stateless/01903_csvwithnames_subset_of_columns.reference
@@ -1,2 +1,3 @@
 1000000
 2000000
+3000000
diff --git a/tests/queries/0_stateless/01903_csvwithnames_subset_of_columns.sh b/tests/queries/0_stateless/01903_csvwithnames_subset_of_columns.sh
index 7ad7a4b67bd..17d2c4a47d5 100755
--- a/tests/queries/0_stateless/01903_csvwithnames_subset_of_columns.sh
+++ b/tests/queries/0_stateless/01903_csvwithnames_subset_of_columns.sh
@@ -16,4 +16,8 @@ $CLICKHOUSE_CLIENT -q "SELECT count() FROM test_01903"
 
 $CLICKHOUSE_CLIENT -q "SELECT count() FROM test_01903"
 
+(echo col0; for _ in `seq 1 1000000`; do echo '2021-05-05'; done) | $CLICKHOUSE_CLIENT -q "INSERT INTO test_01903 (col0) FORMAT TSVWithNames"
+
+$CLICKHOUSE_CLIENT -q "SELECT count() FROM test_01903"
+
 $CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS test_01903"