diff --git a/types/express-jwt/express-jwt-tests.ts b/types/express-jwt/express-jwt-tests.ts
index 190c85ce4b..798818b728 100644
--- a/types/express-jwt/express-jwt-tests.ts
+++ b/types/express-jwt/express-jwt-tests.ts
@@ -17,4 +17,15 @@ var jwtCheck = jwt({
     secret: 'shhhhhhared-secret'
 });
 jwtCheck.unless = unless;
-app.use(jwtCheck.unless({ path: '/api/login' }));
\ No newline at end of file
+app.use(jwtCheck.unless({ path: '/api/login' }));
+
+app.use(function (err: any, req: express.Request, res: express.Response, next: express.NextFunction) {
+    if (err) {
+        if (err instanceof jwt.UnauthorizedError) {
+            res.status(err.status);
+            res.end();
+        }
+    } else {
+        next(err);
+    }
+});
\ No newline at end of file
diff --git a/types/express-jwt/index.d.ts b/types/express-jwt/index.d.ts
index d75dfa9adf..ec7aeb64f7 100644
--- a/types/express-jwt/index.d.ts
+++ b/types/express-jwt/index.d.ts
@@ -1,6 +1,6 @@
 // Type definitions for express-jwt
 // Project: https://www.npmjs.org/package/express-jwt
-// Definitions by: Wonshik Kim <https://github.com/wokim/>, Kacper Polak <https://github.com/kacepe>
+// Definitions by: Wonshik Kim <https://github.com/wokim/>, Kacper Polak <https://github.com/kacepe>, Sl1MBoy <https://github.com/Sl1MBoy>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 import express = require('express');
@@ -36,6 +36,14 @@ declare namespace jwt {
     export interface RequestHandler extends express.RequestHandler {
         unless: typeof unless;
     }
+
+    export class UnauthorizedError extends Error  {
+        name: string;
+        message: string;
+        code: string;
+        status: number;
+        inner: Error
+    }
 }
 declare global {
     namespace Express {