diff --git a/static/.well-known/matrix/client b/static/.well-known/matrix/client
index 62bc2f2f3..90d9a1210 100644
--- a/static/.well-known/matrix/client
+++ b/static/.well-known/matrix/client
@@ -8,7 +8,7 @@
     "org.matrix.msc3575.proxy": {
         "url": "https://slidingsync.lab.matrix.org"
     },
-    "org.matrix.rtc_foci": [
+    "org.matrix.msc4143.rtc_foci": [
         {
             "type":"livekit",
             "livekit_service_url":"https://livekit-jwt.call.element.io"