diff --git a/yunohost_tools.py b/yunohost_tools.py
index 2f2fce6c..8035ac90 100644
--- a/yunohost_tools.py
+++ b/yunohost_tools.py
@@ -31,6 +31,7 @@ import getpass
 import subprocess
 import requests
 import json
+from subprocess import Popen, PIPE
 from yunohost import YunoHostError, YunoHostLDAP, validate, colorize, get_required_args, win_msg
 from yunohost_domain import domain_add, domain_list
 from yunohost_dyndns import dyndns_subscribe