diff --git a/hosts/jabber/default.nix b/hosts/jabber/default.nix
index 62d1ecca..1d7f9bc1 100644
--- a/hosts/jabber/default.nix
+++ b/hosts/jabber/default.nix
@@ -196,15 +196,22 @@ in
           http_upload_file_size_limit = 10 * 1024 * 1024
           http_upload_expire_after = 60 * 60 * 24 * 7 -- a week in seconds
 
-          external_service_password = coturnPassword;
-          external_service_port = "3478";
-          external_service_transport = "udp";
-          external_service_type = "turn";
-          external_service_username = coturnUser;
           external_services = {
-            { host = "turn.${domain}" };
-            { host = "${zentralwerk.lib.dns.publicIPv4}" };
-          }
+            ["turn.${domain}"] = {
+              username = "${coturnUser}";
+              password = "${coturnPassword}";
+              port = "3478";
+              transport = "udp";
+              type = "turn";
+            };
+            ["${zentralwerk.lib.dns.publicIPv4}"] = {
+              username = "${coturnUser}";
+              password = "${coturnPassword}";
+              port = "3478";
+              transport = "udp";
+              type = "turn";
+            };
+          };
 
           -- File-transfer proxies are an outdated technology
           -- Component "proxy65.${domain}" "proxy65"