diff --git a/lib/realtime/realtime.ts b/lib/realtime/realtime.ts
index 0ca01e51d7..112035f7d9 100644
--- a/lib/realtime/realtime.ts
+++ b/lib/realtime/realtime.ts
@@ -24,6 +24,7 @@ import {CursorData, RealtimeClientConnection} from "./realtimeClientConnection";
 import {UpdateDirtyNoteJob} from "./realtimeUpdateDirtyNoteJob";
 import {CleanDanglingUserJob} from "./realtimeCleanDanglingUserJob";
 import {SaveRevisionJob} from "./realtimeSaveRevisionJob";
+import SocketRequest = SocketIO.SocketRequest;
 
 
 export interface RealtimeUserData {
@@ -497,7 +498,7 @@ export function emitRefresh(socket: SocketIO.Socket): void {
   socket.emit('refresh', out)
 }
 
-export function checkViewPermission(req, note: RealtimeNoteData): boolean {
+export function checkViewPermission(req: SocketRequest, note: RealtimeNoteData): boolean {
   if (note.permission === 'private') {
     if (req.user && req.user.logged_in && req.user.id === note.owner) {
       return true
diff --git a/typings/socket.io/index.d.ts b/typings/socket.io/index.d.ts
index fb6ca268a9..4e2cb1441e 100644
--- a/typings/socket.io/index.d.ts
+++ b/typings/socket.io/index.d.ts
@@ -10,9 +10,17 @@ declare namespace SocketIO {
     } | any
   }
 
+  export interface SocketRequest {
+    user?: {
+      logged_in: boolean
+      id: string
+    }
+  }
+
   export interface Socket {
     origin?: any
     noteId?: string
+    request: SocketRequest | any
   }
 
 }