diff --git a/roles/matrix/templates/homeserver.yaml b/roles/matrix/templates/homeserver.yaml
index 1e33912..e90eb48 100644
--- a/roles/matrix/templates/homeserver.yaml
+++ b/roles/matrix/templates/homeserver.yaml
@@ -1617,13 +1617,13 @@ oidc_config:
       #
       # This must be configured if using the default mapping provider.
       #
-      localpart_template: "{{ user.preferred_username }}"
+      localpart_template: "{{ '{{' }} user.preferred_username {{ '}}' }}"
 
       # Jinja2 template for the display name to set on first login.
       #
       # If unset, no displayname will be set.
       #
-      #display_name_template: "{{ user.given_name }} {{ user.last_name }}"
+      #display_name_template: "{{ '{{' }} user.given_name {{ '}}' }} {{ '{{' }} user.last_name {{ '}}' }}"