diff --git a/mysql-test/suite/innodb/r/alter_kill.result b/mysql-test/suite/innodb/r/alter_kill.result
index 9b24fddf9ef..87c89834ec1 100644
--- a/mysql-test/suite/innodb/r/alter_kill.result
+++ b/mysql-test/suite/innodb/r/alter_kill.result
@@ -2,10 +2,12 @@
 # Bug#16720368 INNODB CRASHES ON BROKEN #SQL*.IBD FILE AT STARTUP
 #
 SET GLOBAL innodb_file_per_table=1;
+SET GLOBAL innodb_purge_rseg_truncate_frequency=1;
 CREATE TABLE bug16720368_1 (a INT PRIMARY KEY) ENGINE=InnoDB;
 connect  con1,localhost,root;
 CREATE TABLE bug16720368 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
 INSERT INTO bug16720368 (a) VALUES (1),(2),(3),(4),(5),(6),(7),(8);
+InnoDB		0 transactions not purged
 connection default;
 # Cleanly shutdown mysqld
 disconnect con1;
diff --git a/mysql-test/suite/innodb/t/alter_kill.test b/mysql-test/suite/innodb/t/alter_kill.test
index 922378d2919..628ff553fc0 100644
--- a/mysql-test/suite/innodb/t/alter_kill.test
+++ b/mysql-test/suite/innodb/t/alter_kill.test
@@ -27,12 +27,14 @@ call mtr.add_suppression("Plugin 'InnoDB' registration as a STORAGE ENGINE faile
 -- echo #
 
 SET GLOBAL innodb_file_per_table=1;
+SET GLOBAL innodb_purge_rseg_truncate_frequency=1;
 
 CREATE TABLE bug16720368_1 (a INT PRIMARY KEY) ENGINE=InnoDB;
 
 connect (con1,localhost,root);
 CREATE TABLE bug16720368 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
 INSERT INTO bug16720368 (a) VALUES (1),(2),(3),(4),(5),(6),(7),(8);
+--source include/wait_all_purged.inc
 
 connection default;