diff --git a/seafile/config.json b/seafile/config.json
index 711363fe1..238862011 100644
--- a/seafile/config.json
+++ b/seafile/config.json
@@ -59,6 +59,7 @@
     "SEAFILE_ADMIN_EMAIL": "me@example.com",
     "SEAFILE_ADMIN_PASSWORD": "a_very_secret_password",
     "SERVER_IP": "homeassistant.local",
+    "FILE_SERVER_ROOT": "http://homeassistant.local:8082",
     "PORT": "8082",
     "TZ": "Europe/Paris",
     "URL": "seafile.example.com",
@@ -85,6 +86,7 @@
     "SEAFILE_ADMIN_EMAIL": "email",
     "SEAFILE_ADMIN_PASSWORD": "password",
     "SERVER_IP": "str?",
+    "FILE_SERVER_ROOT": "str",
     "PORT": "str?",
     "TZ": "str?",
     "URL": "str",