diff --git a/contrib/debianinstall/debian-setup.sh b/contrib/debianinstall/debian-setup.sh
index cd7918c38..1bb72b5ae 100755
--- a/contrib/debianinstall/debian-setup.sh
+++ b/contrib/debianinstall/debian-setup.sh
@@ -383,7 +383,7 @@ function install_letsencrypt {
     then
         die "Failed to install let's encrypt: 'le_email' is empty in $configfile"
     fi
-    nocheck_install "certbot python-certbot-apache"
+    nocheck_install "certbot python3-certbot-apache"
     print_info "run certbot ..."
     certbot --apache -w $install_path -d $le_domain -m $le_email --agree-tos --non-interactive --redirect --hsts --uir
     systemctl restart apache2