diff --git a/roles/matrix-dimension/defaults/main.yml b/roles/matrix-dimension/defaults/main.yml
index a5e0bf1a..48958020 100644
--- a/roles/matrix-dimension/defaults/main.yml
+++ b/roles/matrix-dimension/defaults/main.yml
@@ -39,7 +39,7 @@ matrix_dimension_integrations_rest_url: "https://{{ matrix_server_fqn_dimension
 matrix_dimension_integrations_widgets_urls: ["https://{{ matrix_server_fqn_dimension }}/widgets"]
 matrix_dimension_integrations_jitsi_widget_url: "https://{{ matrix_server_fqn_dimension }}/widgets/jitsi"
 
-matrix_dimension_homeserver_federationUrl: ""http://matrix-synapse:{{matrix_synapse_container_default_federation_port|string}}""
+matrix_dimension_homeserver_federationUrl: "http://matrix-synapse:{{matrix_synapse_container_default_federation_port|string}}"
 
 
 # Database-related configuration fields.