diff --git a/views/partials/ssl.pug b/views/partials/ssl.pug
index 75642c5..931fd83 100644
--- a/views/partials/ssl.pug
+++ b/views/partials/ssl.pug
@@ -22,6 +22,6 @@ div(class='bg-white border border-gray-200 rounded-xl p-5')
             = d != null ? d + ' days' : '—'
         div(class='bg-gray-50 rounded-lg px-3 py-2 col-span-2 sm:col-span-3')
           div(class='text-xs text-gray-400 mb-1') Protocols
-          div(class='font-medium')= ssl.protocols?.join(' · ') || '—'
+          div(class='font-medium')= (ssl.protocols && ssl.protocols.length ? ssl.protocols.join(' · ') : '—')
   else
     p(class='text-sm text-gray-400 italic') Not available — HTTPS only or check timed out