diff --git a/ops/nixos/etheroute-lon01/default.nix b/ops/nixos/etheroute-lon01/default.nix
index 437a45f99b..f9665e0f7a 100644
--- a/ops/nixos/etheroute-lon01/default.nix
+++ b/ops/nixos/etheroute-lon01/default.nix
@@ -227,6 +227,7 @@ in {
         (service "totoro:3000" "grafana.int.lukegb.com" {})
         (secureService "swann:8443" "unifi.int.lukegb.com" {
           tls_skip_verify = true;
+          allow_websockets = true;
         })
         (secureService "totoro" "invoices.lukegb.com" (public {
           regex = "^/((third_party|ajax|client_area|pdf)/.*|[a-zA-Z0-9]{8})$";