Cursor row variable field not found (4082) if alias used

CREATE TABLE tmp_1 (id1 INT );

INSERT INTO tmp_1 VALUES (15);           

INSERT INTO tmp_1 VALUES (16);  

CREATE or replace VIEW tmp_v AS SELECT id1 id FROM tmp_1;

-- SELECT * FROM tmp_v

delimiter //

begin

for k in (select 

           b.ID id2

           FROM tmp_v b

           ) loop

SELECT k.id2; -- <error

RETURN;

END loop;

END//

delimiter ;