diff --git a/velox/functions/sparksql/aggregates/tests/CollectSetAggregateTest.cpp b/velox/functions/sparksql/aggregates/tests/CollectSetAggregateTest.cpp
index 2472ba1796da..b61c4a47bfd8 100644
--- a/velox/functions/sparksql/aggregates/tests/CollectSetAggregateTest.cpp
+++ b/velox/functions/sparksql/aggregates/tests/CollectSetAggregateTest.cpp
@@ -260,7 +260,7 @@ TEST_F(CollectSetAggregateTest, rowWithNestedNull) {
       {data}, {}, {"collect_set(c0)"}, {"spark_array_sort(a0)"}, {expected});
 }
 
-TEST_F(CollectSetAggregateTest, nullType) {
+TEST_F(CollectSetAggregateTest, unknownType) {
   auto data = makeRowVector({
       makeNullConstant(TypeKind::UNKNOWN, 3),
   });