--- a/mod_pubsub_serverinfo/mod_pubsub_serverinfo.lua	Tue Apr 16 12:05:47 2024 +0100
+++ b/mod_pubsub_serverinfo/mod_pubsub_serverinfo.lua	Tue Apr 16 12:41:52 2024 +0100
@@ -4,15 +4,22 @@
 local new_id = require"util.id".medium;
 
 local local_domain = module:get_host();
-local service = module:get_option(module.name .. "_service") or "pubsub." .. local_domain;
-local node = module:get_option(module.name .. "_node") or "serverinfo";
+local service = module:get_option_string(module.name .. "_service");
+local node = module:get_option_integer(module.name .. "_node", "serverinfo");
 local actor = module.host .. "/modules/" .. module.name;
-local publication_interval = module:get_option(module.name .. "_publication_interval") or 300;
-local cache_ttl = module:get_option(module.name .. "_cache_ttl") or 3600;
+local publication_interval = module:get_option_integer(module.name .. "_publication_interval", 300);
+local cache_ttl = module:get_option_integer(module.name .. "_cache_ttl", 3600);
 local public_providers_url = module:get_option_string(module.name.."_public_providers_url", "https://data.xmpp.net/providers/v2/providers-Ds.json");
 local delete_node_on_unload = module:get_option_boolean(module.name.."_delete_node_on_unload", false);
 local persist_items = module:get_option_boolean(module.name.."_persist_items", true);
 
+if not service and prosody.hosts["pubsub."..module.host] then
+	service = "pubsub."..module.host;
+else
+	module:log_status("warn", "No pubsub service specified - module not activated");
+	return;
+end
+
 local xmlns_pubsub = "http://jabber.org/protocol/pubsub";
 
 function module.load()