diff --git a/install.sh b/install.sh
index 2e73f54..ecf9e38 100644
--- a/install.sh
+++ b/install.sh
@@ -56,7 +56,7 @@ sudo chmod +x /etc/update-motd.d/99-duckai-banner
 
 # 12. Disabilitare altri script MOTD
 echo "Disabilitando altri script MOTD..."
-sudo bash -c 'for f in /etc/update-motd.d/*; do [[ "$f" != "/etc/update-motd.d/99-duckai-banner" ]] && mv "$f" "${f}.disabled"; done'
+sudo bash -c 'for f in /etc/update-motd.d/*; do if [[ "$f" != "/etc/update-motd.d/99-duckai-banner" && ! -f "${f}.disabled" ]]; then mv "$f" "${f}.disabled"; fi; done'
 
 # 13. Scaricare e installare badai
 echo "Scaricando e installando badai..."