diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index 0c5c0f2b3fa..88de5398619 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -4498,9 +4498,7 @@ sub run_mysqltest ($) {
   }
   else # component_id == mysqld
   {
-#    mtr_add_arg($args, "--socket=%s", $master->[0]->{'path_sock'});
-mtr_add_arg($args, "--host=127.0.0.1");
-
+    mtr_add_arg($args, "--socket=%s", $master->[0]->{'path_sock'});
     mtr_add_arg($args, "--port=%d", $master->[0]->{'port'});
     mtr_add_arg($args, "--database=test");
     mtr_add_arg($args, "--user=%s", $opt_user);