diff --git a/ansible/playbooks/templates/etc/gitlab/rocky_gitlab.rb b/ansible/playbooks/templates/etc/gitlab/rocky_gitlab.rb
index e74cb50..56f0859 100644
--- a/ansible/playbooks/templates/etc/gitlab/rocky_gitlab.rb
+++ b/ansible/playbooks/templates/etc/gitlab/rocky_gitlab.rb
@@ -135,7 +135,7 @@ gitlab_rails['db_password'] = '{{ gitlab_external_db_password }}'
 {% endif %}
 
 {% if gitlab_trusted_proxies %}
-gitlab_rails['trusted_proxies'] = '{{ gitlab_trusted_proxies | map("to_json") | join(", ") }}'
+gitlab_rails['trusted_proxies'] = [{{ gitlab_trusted_proxies | map("to_json") | join("', '") }}]
 {% endif %}
 
 gitlab_rails['gitlab_shell_ssh_port'] = "22220"