diff --git a/modules/nginx.nix b/modules/nginx.nix
index bb835fd..aaea7fa 100644
--- a/modules/nginx.nix
+++ b/modules/nginx.nix
@@ -3,15 +3,24 @@
 let
   serverName = "atri.dad";
   matrixDomain = "matrix.atri.dad";
+  matrixRtcDomain = "matrixrtc.atri.dad";
 
+  # .well-known/matrix/server JSON (served from atri.dad for delegation)
   wellKnownServer = builtins.toJSON {
     "m.server" = "${matrixDomain}:443";
   };
 
+  # .well-known/matrix/client JSON (served from atri.dad for delegation)
   wellKnownClient = builtins.toJSON {
     "m.homeserver" = {
       base_url = "https://${matrixDomain}";
     };
+    "org.matrix.msc4143.rtc_foci" = [
+      {
+        type = "livekit";
+        livekit_service_url = "https://${matrixRtcDomain}";
+      }
+    ];
   };
 in
 {