diff --git a/roles/matrix-nginx-proxy/tasks/nginx-proxy/setup_metrics_auth.yml b/roles/matrix-nginx-proxy/tasks/nginx-proxy/setup_metrics_auth.yml
index 55163c94..1d39b8d6 100644
--- a/roles/matrix-nginx-proxy/tasks/nginx-proxy/setup_metrics_auth.yml
+++ b/roles/matrix-nginx-proxy/tasks/nginx-proxy/setup_metrics_auth.yml
@@ -1,3 +1,5 @@
+---
+
 # When we're dealing with raw htpasswd content, we just store it in the file directly.
 - name: Ensure matrix-metrics-htpasswd is present when generated from raw content (protecting /metrics/* URIs)
   copy: