diff --git a/roles/custom/matrix-synapse/defaults/main.yml b/roles/custom/matrix-synapse/defaults/main.yml
index 504ac9fee..b99377281 100644
--- a/roles/custom/matrix-synapse/defaults/main.yml
+++ b/roles/custom/matrix-synapse/defaults/main.yml
@@ -220,7 +220,7 @@ matrix_synapse_container_labels_client_synapse_admin_api_traefik_tls: "{{ matrix
 matrix_synapse_container_labels_client_synapse_admin_api_traefik_tls_certResolver: "{{ matrix_synapse_container_labels_traefik_tls_certResolver }}"  # noqa var-naming
 
 # Controls whether labels will be added that expose the Server-Server API (Federation API).
-matrix_synapse_container_labels_federation_api_enabled: "{{ matrix_synapse_reverse_proxy_companion_federation_api_enabled }}"
+matrix_synapse_container_labels_federation_api_enabled: "{{ matrix_synapse_federation_enabled }}"
 matrix_synapse_container_labels_federation_api_traefik_hostname: "{{ matrix_synapse_container_labels_traefik_hostname }}"
 matrix_synapse_container_labels_federation_api_traefik_path_prefix: /_matrix
 matrix_synapse_container_labels_federation_api_traefik_rule: "Host(`{{ matrix_synapse_container_labels_federation_api_traefik_hostname }}`) && PathPrefix(`{{ matrix_synapse_container_labels_federation_api_traefik_path_prefix }}`)"