diff --git a/mysql-test/suite/storage_engine/type_bit_indexes.result b/mysql-test/suite/storage_engine/type_bit_indexes.result
index af8ddf7d6c9..e7c0cf656c5 100644
--- a/mysql-test/suite/storage_engine/type_bit_indexes.result
+++ b/mysql-test/suite/storage_engine/type_bit_indexes.result
@@ -69,7 +69,7 @@ INSERT INTO t1 (a,b,c,d) VALUES
 (1,0xFFFF,0xFFFFFFFF,0xFFFFFFFFFFFFFFFF);
 EXPLAIN SELECT HEX(b+c) FROM t1 WHERE c > 1 OR HEX(b) < 0xFFFFFF;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-#	#	#	#	#	b_c	#	#	#	#
+#	#	#	#	#	NULL	#	#	#	#
 SELECT HEX(b+c) FROM t1 WHERE c > 1 OR HEX(b) < 0xFFFFFF;
 HEX(b+c)
 10
@@ -98,7 +98,7 @@ INSERT INTO t1 (a,b,c,d) VALUES
 (1,0xFFFF,0xFFFFFFFF,0xFFFFFFFFFFFFFFFF);
 EXPLAIN SELECT DISTINCT a+0 FROM t1 ORDER BY a;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-#	#	#	#	#	a	#	#	#	#
+#	#	#	#	#	NULL	#	#	#	#
 SELECT DISTINCT a+0 FROM t1 ORDER BY a;
 a+0
 0