diff --git a/roles/custom/matrix-element-call/templates/config.json.j2 b/roles/custom/matrix-element-call/templates/config.json.j2
index 7c75144e3..3dc7f0e8a 100644
--- a/roles/custom/matrix-element-call/templates/config.json.j2
+++ b/roles/custom/matrix-element-call/templates/config.json.j2
@@ -2,7 +2,7 @@
   "default_server_config": {
     "m.homeserver": {
       "base_url": "{{ matrix_homeserver_url }}",
-      "server_name": "{{ matrix_server_name }}"
+      "server_name": "{{ matrix_domain }}"
     }
   },
   "livekit": {