diff --git a/defaults/main.yml b/defaults/main.yml
index c25402bb96c273e0a64a8b264e1bd2a05f3ac50f..58e58d6a9a8e2234d9b5147a5b1cde11b562c70a 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,4 +1,6 @@
-fluentd_host:
-fluentd_shared_key:
-fluentd_username:
-fluentd_password:
+---
+
+fluentd_host: ''
+fluentd_shared_key: ''
+fluentd_username: ''
+fluentd_password: ''