diff --git a/charts/matrix-stack/templates/well-known/_helpers.tpl b/charts/matrix-stack/templates/well-known/_helpers.tpl
index 923d2b6b..abbedb5d 100644
--- a/charts/matrix-stack/templates/well-known/_helpers.tpl
+++ b/charts/matrix-stack/templates/well-known/_helpers.tpl
@@ -47,6 +47,7 @@ k8s.element.io/target-instance: {{ $root.Release.Name }}-haproxy
 {{- $_ := set $config "org.matrix.msc2965.authentication" $msc2965 -}}
 {{- end -}}
 {{- end -}}
+{{- $_ := set $config "org.matrix.msc4143.rtc_foci" (list (dict "type" "livekit" "livekit_service_url" "https://livekit-jwt.call.element.io")) -}}
 {{- $additional := .additional.client | fromJson -}}
 {{- tpl (toPrettyJson (merge $config $additional)) $root -}}
 {{- end -}}
diff --git a/newsfragments/306.added.md b/newsfragments/306.added.md
new file mode 100644
index 00000000..be2333f5
--- /dev/null
+++ b/newsfragments/306.added.md
@@ -0,0 +1 @@
+Configure well-known to use Element LiveKit by default.
diff --git a/tests/integration/test_well_known_delegation.py b/tests/integration/test_well_known_delegation.py
index a7cf26bc..be358947 100644
--- a/tests/integration/test_well_known_delegation.py
+++ b/tests/integration/test_well_known_delegation.py
@@ -22,7 +22,11 @@ async def test_well_known_files_can_be_accessed(
     if value_file_has("synapse.enabled", True):
         assert "m.homeserver" in json_content
     else:
-        assert json_content == {}
+        assert json_content == {
+            "org.matrix.msc4143.rtc_foci": [
+                {"type": "livekit", "livekit_service_url": "https://livekit-jwt.call.element.io"}
+            ]
+        }
 
     json_content = await aiottp_get_json(f"https://{generated_data.server_name}/.well-known/matrix/server", ssl_context)
     if value_file_has("synapse.enabled", True):
diff --git a/tests/manifests/test_well_known_delegation.py b/tests/manifests/test_well_known_delegation.py
index c2f9d913..a3e5734e 100644
--- a/tests/manifests/test_well_known_delegation.py
+++ b/tests/manifests/test_well_known_delegation.py
@@ -30,6 +30,11 @@ async def assert_well_known_files(
         expected_server = {}
     if expected_client is None:
         expected_client = {}
+    expected_client = expected_client | {
+        "org.matrix.msc4143.rtc_foci": [
+            {"type": "livekit", "livekit_service_url": "https://livekit-jwt.call.element.io"}
+        ]
+    }
     client_config = {"testclientkey": {"testsubket": "testvalue"}}
     server_config = {"testserverkey": {"testsubket": "testvalue"}}
     element_config = {"testelementkey": {"testsubket": "testvalue"}}