diff --git a/README.md b/README.md
index deebadef..c95421fc 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ your app from one of the 2 json files.
 Usage:
 
 ```bash
-python ./add_or_update.py [community.json OR official.json] [github url [github url [github url ...]]]
+./add_or_update.py [community.json OR official.json] [github url [github url [github url ...]]]
 ```
 
 #### More information on [yunohost.org/packaging_apps](https://yunohost.org/packaging_apps)
diff --git a/add_or_update.py b/add_or_update.py
index 603e410b..63e3d112 100755
--- a/add_or_update.py
+++ b/add_or_update.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python2
+
 import os
 import sys
 import json