diff --git a/megalodon/src/megalodon.ts b/megalodon/src/megalodon.ts
index 7133b7a22..e34257a9f 100644
--- a/megalodon/src/megalodon.ts
+++ b/megalodon/src/megalodon.ts
@@ -6,6 +6,7 @@ import Mastodon from './mastodon'
 import Entity from './entity'
 import axios, { AxiosRequestConfig } from 'axios'
 import Misskey from './misskey'
+import { DEFAULT_UA } from './default'
 
 export interface WebSocketInterface {
   start(): void
@@ -1279,7 +1280,13 @@ type Instance = {
  * @return SNS name.
  */
 export const detector = async (url: string, proxyConfig: ProxyConfig | false = false): Promise<'mastodon' | 'pleroma' | 'misskey'> => {
-  let options: AxiosRequestConfig = {}
+  let options: AxiosRequestConfig = {
+    headers: {
+      'User-Agent': DEFAULT_UA,
+      // To avoid: https://github.com/axios/axios/issues/5346
+      'Accept-Encoding': 'gzip,deflate,compress'
+    }
+  }
   if (proxyConfig) {
     options = Object.assign(options, {
       httpsAgent: proxyAgent(proxyConfig)
diff --git a/megalodon/test/integration/megalodon.spec.ts b/megalodon/test/integration/megalodon.spec.ts
index 1eced0268..d167444a8 100644
--- a/megalodon/test/integration/megalodon.spec.ts
+++ b/megalodon/test/integration/megalodon.spec.ts
@@ -17,8 +17,8 @@ describe('detector', () => {
     })
   })
 
-  describe.skip('misskey', () => {
-    const url = 'https://sushi.ski'
+  describe('misskey', () => {
+    const url = 'https://misskey.io'
     it('should be misskey', async () => {
       const misskey = await detector(url)
       expect(misskey).toEqual('misskey')