diff --git a/lib/apiserver/index.js b/lib/apiserver/index.js
index 4f65b81..7b232d3 100644
--- a/lib/apiserver/index.js
+++ b/lib/apiserver/index.js
@@ -9,7 +9,7 @@ const handlerOnReceived = require('./handler/on-received');
 
 const app = express();
 
-const accessLogStream = rfs.createStream('access_log', {
+const accessLogStream = rfs.createStream('apiserver.access_log', {
     interval: '1d',
     path: './logs',
 });