diff --git a/fluentd/init.yml b/fluentd/init.yml
index ebf469a..c6238e8 100644
--- a/fluentd/init.yml
+++ b/fluentd/init.yml
@@ -2,5 +2,9 @@
 - service.fluentd.agent.single
 - system
 parameters:
+  _param:
+    td_agent_log_rotate_size: 10000000
   fluentd:
+    agent:
+      td_agent_log_rotate_size: ${_param:td_agent_log_rotate_size}
     dollar: ${_param:dollarsign}