diff --git a/defaults/main.yml b/defaults/main.yml
index ca360533ec9686b3bcd9a4d8f6e83e7d9ed8e0ab..009e8fcb6d3e41783e313f46ec138d32480a95da 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1 +1,3 @@
-fluentd_cert_passphrase:
+---
+
+fluentd_cert_passphrase: ''