diff --git a/collabora/config.json b/collabora/config.json
index f63fe272d..7b2d7e332 100644
--- a/collabora/config.json
+++ b/collabora/config.json
@@ -31,6 +31,8 @@
   "schema": {
     "TZ": "str?",
     "aliasgroup1": "str",
+    "cert_domain": "bool?",
+    "server_name": "str?",
     "dictionaries": "str?",
     "domain": "str?",
     "extra_params": "str?",