diff --git a/dev.conf b/dev.conf
index e7775d5c5..5a7f31289 100644
--- a/dev.conf
+++ b/dev.conf
@@ -10,6 +10,6 @@ syslog = "%d:%ms %H neuron[%p]: [%V] [%c] %f:%L %m%n"
 
 [rules]
 
-*.*     "./logs/%c.log", 50MB * 1 ~ "./logs/%c.#2s.log"; file_format
+*.*     "./logs/%c.log", 25MB * 1 ~ "./logs/%c.#2r.log"; file_format
 *.*    	>stdout; stdout_format
 *.*     $remote_syslog; syslog
diff --git a/zlog.conf b/zlog.conf
index 6621dae30..03cae35b4 100644
--- a/zlog.conf
+++ b/zlog.conf
@@ -9,5 +9,5 @@ syslog = "%d:%ms %H neuron[%p]: [%V] [%c] %f:%L %m%n"
 
 [rules]
 
-*.*     "./logs/%c.log", 50MB * 1 ~ "./logs/%c.#2s.log"; simple
+*.*     "./logs/%c.log", 25MB * 1 ~ "./logs/%c.#2r.log"; simple
 *.*     $remote_syslog; syslog