matrix: fix jinja template generation
diff --git a/charts/matrix/templates/config-to-merge.yaml b/charts/matrix/templates/config-to-merge.yaml
index 72f9af2..c34a2c7 100644
--- a/charts/matrix/templates/config-to-merge.yaml
+++ b/charts/matrix/templates/config-to-merge.yaml
@@ -40,5 +40,5 @@
allow_existing_users: true
user_mapping_provider:
config:
- localpart_template: {{ cat "{{`" `{{ "{{" }} user.username {{ "}}" }}` "`}}" | squote }}
- display_name_template: {{ cat "{{`" `{{ "{{" }} user.username {{ "}}" }}` "`}}" | squote }}
+ localpart_template: "{{ cat "{{" "\"" "{{user.username}}" "\"" "}}" | nospace}}"
+ display_name_template: "{{ cat "{{" "\"" "{{user.username}}" "\"" "}}" | nospace}}"