diff --git a/install.sh b/install.sh
index 4c97f07..0abeced 100644
--- a/install.sh
+++ b/install.sh
@@ -234,6 +234,7 @@ apt autoremove
 
 # Activation de la gestion des interfaces dans NetworkManager
 sed -i 's/false/true/g' /etc/NetworkManager/NetworkManager.conf
+sed -i '9,$d' /etc/network/interfaces
 
 # Message de fin
 echo "Bisous" | figlet -f big