--- bulk_copy_alter.result
+++ bulk_copy_alter,non_bulk_alter_copy.result
@@ -6,7 +6,7 @@
 INSERT INTO t1 SELECT repeat('b', 200), seq FROM seq_3_to_65536;
 ALTER TABLE t1 ALGORITHM=COPY, ADD INDEX(f2);
 ALTER TABLE t1 ALGORITHM=COPY, ADD PRIMARY KEY(f1(2));
-ERROR 23000: Duplicate entry 'bb' for key 'PRIMARY'
+ERROR 23000: Duplicate entry 'aa' for key 'PRIMARY'
 INSERT INTO t1 VALUES(repeat('a', 200), 1);
 ALTER TABLE t1 ADD UNIQUE KEY(f2);
 ERROR 23000: Duplicate entry '1' for key 'f2_2'