diff --git a/machines/nextcloud/configuration.nix b/machines/nextcloud/configuration.nix
index 1929f05..e2fcac8 100644
--- a/machines/nextcloud/configuration.nix
+++ b/machines/nextcloud/configuration.nix
@@ -63,6 +63,7 @@ in
     settings = {
       trusted_domains = [ "cloud.malobeo.org" "cloud.hq.malobeo.org" ];
       trusted_proxies = [ hosts.malobeo.hosts.fanny.network.address ];
+      overwriteprotocol = "https";
       "maintenance_window_start" = "1";
       "default_phone_region" = "DE";
     };