diff --git a/be/src/vec/exprs/vectorized_fn_call.cpp b/be/src/vec/exprs/vectorized_fn_call.cpp
index 96c7d5bd88..e3ea8a466c 100644
--- a/be/src/vec/exprs/vectorized_fn_call.cpp
+++ b/be/src/vec/exprs/vectorized_fn_call.cpp
@@ -154,7 +154,15 @@ bool VectorizedFnCall::fast_execute(FunctionContext* context, Block& block,
 
     auto result_column =
             block.get_by_name(result_column_name).column->convert_to_full_column_if_const();
-    block.replace_by_position(result, std::move(result_column));
+    auto& result_info = block.get_by_position(result);
+    if (result_info.type->is_nullable()) {
+        block.replace_by_position(result,
+                                  ColumnNullable::create(std::move(result_column),
+                                                         ColumnUInt8::create(input_rows_count, 0)));
+    } else {
+        block.replace_by_position(result, std::move(result_column));
+    }
+
     return true;
 }
 
diff --git a/be/src/vec/functions/function_helpers.cpp b/be/src/vec/functions/function_helpers.cpp
index 5fc2a11e87..c6fcfce190 100644
--- a/be/src/vec/functions/function_helpers.cpp
+++ b/be/src/vec/functions/function_helpers.cpp
@@ -79,7 +79,8 @@ std::tuple<Block, ColumnNumbers> create_block_with_nested_columns(const Block& b
                     res.insert({ColumnConst::create(nested_col, col.column->size()), nested_type,
                                 col.name});
                 } else {
-                    LOG(FATAL) << "Illegal column for DataTypeNullable";
+                    LOG(FATAL) << "Illegal column= " << col.column->get_name()
+                               << " for DataTypeNullable";
                 }
             } else {
                 res.insert(col);