diff --git a/install/vst-install.sh b/install/vst-install.sh
index 1d2aca60c..83feb23f3 100644
--- a/install/vst-install.sh
+++ b/install/vst-install.sh
@@ -530,6 +530,7 @@ fi
 
 mysqladmin -u root password $mpass
 echo -e "[client]\npassword='$mpass'\n" > /root/.my.cnf
+chmod 600 /root/.my.cnf
 mysql -e "DELETE FROM mysql.user WHERE User=''"
 mysql -e "DROP DATABASE test"
 mysql -e "DELETE FROM mysql.db WHERE Db='test' OR Db='test\\_%'"