diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index 7d601a00e0c..35be0863ee3 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -2944,7 +2944,7 @@ sub mysql_install_db () {
 
   install_db('master', $master->[0]->{'path_myddir'});
 
-  if ($max_master_num)
+  if ($max_master_num > 1)
   {
     copy_install_db('master', $master->[1]->{'path_myddir'});
   }