diff --git a/books/matrix.yml b/books/matrix.yml
index 36979dc..92e05e1 100644
--- a/books/matrix.yml
+++ b/books/matrix.yml
@@ -4,6 +4,7 @@
   roles:
     - synapse
     - matrix-bridge-discord
+    - matrix-bridge-facebook
 
 - hosts: proxy
   roles:
diff --git a/group_vars/all/matrix.yml b/group_vars/all/matrix.yml
index 80a5f8a..a37be0a 100644
--- a/group_vars/all/matrix.yml
+++ b/group_vars/all/matrix.yml
@@ -28,7 +28,7 @@ matrix_bridge_facebook_admins:
   - g33kex
   - histausse
 matrix_bridge_facebook_allowed_external_user:
-  - @dorianx:matrix.rezel.net
+  - '@dorianx:matrix.rezel.net'
 # Not configured for now
 matrix_stats_endpoint: https://127.0.0.1/report-usage-stats/push