diff --git a/README.md b/README.md
index c11f490..6207b71 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ A single couple of DN and password able to connect to both server and without re
 
 ### If you plan to use it with NRPE
 ```
-apt install python3-ldap git
+apt install -y python3-ldap git
 git clone https://gogs.zionetrix.net/bn8/check_syncrepl_extended.git /usr/local/src/check_syncrepl_extended
 mkdir -p /usr/local/lib/nagios/plugins
 ln -s /usr/local/src/check_syncrepl_extended/check_syncrepl_extended /usr/local/lib/nagios/plugins/