diff --git a/roles/prometheus/tasks/flush.yml b/roles/prometheus/tasks/flush.yml
index 4669c90..70f792b 100644
--- a/roles/prometheus/tasks/flush.yml
+++ b/roles/prometheus/tasks/flush.yml
@@ -1,7 +1,7 @@
 ---
 
 - name: enable prometheus admin api
-  ansible.builtin.lineinfile:
+  ansible.builtin.template:
     src: etc/default/prometheus.j2
     dest: /etc/default/prometheus
     owner: root