diff --git a/www/res/js/usimp.js b/www/res/js/usimp.js
index 960e787..5beb350 100644
--- a/www/res/js/usimp.js
+++ b/www/res/js/usimp.js
@@ -11,7 +11,7 @@ usimp.lookup = function (domain_name) {
 usimp.chooseDomainServer = function (domainServers, invalidDomainServers = []) {
     if (domainServers.length === 0) throw Error("No domain servers specified");
 
-    domainServers.filter(srv => invalidDomainServers.map(srv => srv.host).includes(srv));
+    domainServers.filter(srv => invalidDomainServers.map(srv => srv.id).includes(srv.id));
     if (domainServers.length === 0) throw Error("No domain servers reachable");
     if (domainServers.length === 1) return domainServers[0];