diff --git a/install/tpl/php_fpm_pool.conf.master b/install/tpl/php_fpm_pool.conf.master
index 0cc6e044a913b84641c6e7ba29756d281c4f8af2..16e1241bb9d9474237173199714b1dfba2c2c202 100644
--- a/install/tpl/php_fpm_pool.conf.master
+++ b/install/tpl/php_fpm_pool.conf.master
@@ -16,6 +16,6 @@ pm.max_spare_servers = 5
 
 chdir = /
 
-; php_admin_value[open_basedir] = /usr/local/ispconfig/interface:/usr/local/ispconfig/security:/usr/share
+; php_admin_value[open_basedir] = /usr/local/ispconfig/interface:/usr/local/ispconfig/security:/usr/share:/var/lib/roundcube:/etc/roundcube:/usr/share/roundcube
 php_admin_value[session.save_path] = /usr/local/ispconfig/interface/temp
 php_admin_flag[magic_quotes_gpc] = off
\ No newline at end of file