diff --git a/lib/app.ts b/lib/app.ts
index 77b0aee61..426d27502 100644
--- a/lib/app.ts
+++ b/lib/app.ts
@@ -20,7 +20,7 @@ import { config } from './config'
 import { logger } from './logger'
 import { errors } from './errors'
 import { addNonceToLocals, computeDirectives } from './csp'
-import { BaseRouter, HistoryRouter, ImageRouter, NoteRouter, StatusRouter, UserRouter } from './web/'
+import { AuthRouter, BaseRouter, HistoryRouter, ImageRouter, NoteRouter, StatusRouter, UserRouter } from './web/'
 
 // others
 import { realtime } from './realtime'
@@ -206,7 +206,7 @@ app.locals.enableGitlabSnippets = config.isGitlabSnippetsEnable
 
 app.use(BaseRouter)
 app.use(StatusRouter)
-app.use(require('./web/auth'))
+app.use(AuthRouter)
 app.use(HistoryRouter)
 app.use(UserRouter)
 app.use(ImageRouter)
diff --git a/lib/web/index.ts b/lib/web/index.ts
index 2b50a3ee1..2d3f962c3 100644
--- a/lib/web/index.ts
+++ b/lib/web/index.ts
@@ -1,3 +1,4 @@
+import { AuthRouter } from './auth'
 import { BaseRouter } from './baseRouter'
 import { HistoryRouter } from './historyRouter'
 import { ImageRouter } from './imageRouter'
@@ -5,4 +6,4 @@ import { NoteRouter } from './note/router'
 import { StatusRouter } from './statusRouter'
 import { UserRouter } from './userRouter'
 
-export { BaseRouter, HistoryRouter, ImageRouter, NoteRouter, StatusRouter, UserRouter }
+export { AuthRouter, BaseRouter, HistoryRouter, ImageRouter, NoteRouter, StatusRouter, UserRouter }