diff --git a/be/src/core/column/column_variant.cpp b/be/src/core/column/column_variant.cpp
index aa910db72195b2..c1ae100bf47db9 100644
--- a/be/src/core/column/column_variant.cpp
+++ b/be/src/core/column/column_variant.cpp
@@ -142,6 +142,9 @@ size_t get_number_of_dimensions(const IDataType& type) {
 // which indicates NG-originated array<object> data.
 bool is_nested_group_type(const DataTypePtr& type) {
     auto base = get_base_type_of_array(type);
+    if (get_number_of_dimensions(*type) > 0) {
+        base = remove_nullable(base);
+    }
     return typeid_cast<const DataTypeVariant*>(base.get()) != nullptr;
 }
 
diff --git a/be/test/core/column/column_variant_test.cpp b/be/test/core/column/column_variant_test.cpp
index 24798accf9c3cd..9494212fef530f 100644
--- a/be/test/core/column/column_variant_test.cpp
+++ b/be/test/core/column/column_variant_test.cpp
@@ -3610,6 +3610,14 @@ TEST_F(ColumnVariantTest, subcolumn_finalize_and_insert) {
     array_subcolumn.finalize();
 }
 
+TEST(ColumnVariantNestedGroupTypeTest, nullable_array_element_is_recognized) {
+    EXPECT_TRUE(is_nested_group_type(ColumnVariant::NESTED_TYPE));
+
+    auto variant = std::make_shared<DataTypeVariant>(0, false);
+    EXPECT_TRUE(is_nested_group_type(variant));
+    EXPECT_FALSE(is_nested_group_type(make_nullable(variant)));
+}
+
 TEST_F(ColumnVariantTest, deserialize_mixed_array_elements) {
     ColumnVariant::Subcolumn subcolumn(0, true /* is_nullable */, false /* is_root */);