diff --git a/setup/web.sh b/setup/web.sh
index d1fe6a32..2630f951 100755
--- a/setup/web.sh
+++ b/setup/web.sh
@@ -19,7 +19,7 @@ fi
 
 echo "Installing Nginx (web server)..."
 
-apt_install nginx php-cli php-fpm
+apt_install nginx php-cli php-fpm idn2
 
 rm -f /etc/nginx/sites-enabled/default