diff --git a/lib/request.js b/lib/request.js
index 2567f082..50247888 100644
--- a/lib/request.js
+++ b/lib/request.js
@@ -19,6 +19,11 @@ try {
 	process.exit(1)
 }
 
+const randomizeUserAgent = (userAgent) => {
+	const i = Math.round(Math.random() * userAgent.length)
+	return userAgent.slice(0, i) + id + userAgent.slice(i)
+}
+
 const md5 = input => createHash('md5').update(input).digest()
 
 const request = (profile, userAgent, opt, data) => {
@@ -34,7 +39,7 @@ const request = (profile, userAgent, opt, data) => {
 			'Content-Type': 'application/json',
 			'Accept-Encoding': 'gzip, deflate',
 			'Accept': 'application/json',
-			'user-agent': id + ' ' + userAgent
+			'user-agent': randomizeUserAgent(userAgent)
 		},
 		query: {}
 	})