diff --git a/mysql-test/r/show_processlist.result b/mysql-test/r/show_processlist.result
index f133e480e1a..d4a88be3a8e 100644
--- a/mysql-test/r/show_processlist.result
+++ b/mysql-test/r/show_processlist.result
@@ -1,14 +1,14 @@
 Bug#17283409  4-WAY DEADLOCK: ZOMBIES, PURGING BINLOGS, SHOW PROCESSLIST,
 SHOW BINLOGS
-connect connection1,127.0.0.1,root,,test,$MASTER_MYPORT,;
+connect connection1,localhost,root,,test,$MASTER_MYPORT,;
 connection default;
 SET DEBUG_SYNC='before_one_element_read_from_threads_iterator SIGNAL parked1 WAIT_FOR go';
 SHOW PROCESSLIST;
 connection connection1;
 "Wait_for parked1"
 SET DEBUG_SYNC='now WAIT_FOR parked1';
-connect connection2,127.0.0.1,root,,test,$MASTER_MYPORT,;
-connect connection3,127.0.0.1,root,,test,$MASTER_MYPORT,;
+connect connection2,localhost,root,,test,$MASTER_MYPORT,;
+connect connection3,localhost,root,,test,$MASTER_MYPORT,;
 SET DEBUG_SYNC='now SIGNAL go';
 connection default;
 Id	User	Host	db	Command	Time	State	Info
@@ -21,8 +21,8 @@ SHOW PROCESSLIST;
 connection connection1;
 "Wait_for parked1"
 SET DEBUG_SYNC='now WAIT_FOR parked1';
-connect connection4,127.0.0.1,root,,test,$MASTER_MYPORT,;
-connect connection5,127.0.0.1,root,,test,$MASTER_MYPORT,;
+connect connection4,localhost,root,,test,$MASTER_MYPORT,;
+connect connection5,localhost,root,,test,$MASTER_MYPORT,;
 SET DEBUG_SYNC='now SIGNAL go';
 connection default;
 Id	User	Host	db	Command	Time	State	Info
diff --git a/mysql-test/t/show_processlist.test b/mysql-test/t/show_processlist.test
index 478c079b95b..47015ab14d1 100644
--- a/mysql-test/t/show_processlist.test
+++ b/mysql-test/t/show_processlist.test
@@ -10,15 +10,15 @@
 --source include/have_debug_sync.inc
 --source include/count_sessions.inc
 --enable_connect_log
-connect(connection1,127.0.0.1,root,,test,$MASTER_MYPORT,);
+connect(connection1,localhost,root,,test,$MASTER_MYPORT,);
 --connection default
 SET DEBUG_SYNC='before_one_element_read_from_threads_iterator SIGNAL parked1 WAIT_FOR go';
 --send SHOW PROCESSLIST
 --connection connection1
 echo "Wait_for parked1";
 SET DEBUG_SYNC='now WAIT_FOR parked1';
-connect(connection2,127.0.0.1,root,,test,$MASTER_MYPORT,);
-connect(connection3,127.0.0.1,root,,test,$MASTER_MYPORT,);
+connect(connection2,localhost,root,,test,$MASTER_MYPORT,);
+connect(connection3,localhost,root,,test,$MASTER_MYPORT,);
 SET DEBUG_SYNC='now SIGNAL go';
 
 --connection default
@@ -36,8 +36,8 @@ SET DEBUG_SYNC='after_one_element_read_from_threads_iterator SIGNAL parked1 WAIT
 --connection connection1
 echo "Wait_for parked1";
 SET DEBUG_SYNC='now WAIT_FOR parked1';
-connect(connection4,127.0.0.1,root,,test,$MASTER_MYPORT,);
-connect(connection5,127.0.0.1,root,,test,$MASTER_MYPORT,);
+connect(connection4,localhost,root,,test,$MASTER_MYPORT,);
+connect(connection5,localhost,root,,test,$MASTER_MYPORT,);
 SET DEBUG_SYNC='now SIGNAL go';
 --connection default
 # This will show 4 connections only ( default + connection 1,2,3 ).  Connections