diff --git a/src/yunohost/app.py b/src/yunohost/app.py
index 4f3e9d283..5c610deeb 100644
--- a/src/yunohost/app.py
+++ b/src/yunohost/app.py
@@ -35,6 +35,7 @@ import socket
 import urlparse
 import errno
 import subprocess
+from collections import OrderedDict
 
 from moulinette.core import MoulinetteError
 from moulinette.utils.log import getActionLogger