diff --git a/types/rdfjs__express-handler/index.d.ts b/types/rdfjs__express-handler/index.d.ts
index 38038ad6e6..6fd781f2a6 100644
--- a/types/rdfjs__express-handler/index.d.ts
+++ b/types/rdfjs__express-handler/index.d.ts
@@ -7,7 +7,7 @@ import { Stream, DatasetCore, DatasetCoreFactory } from 'rdf-js';
 import { Request, Response, RequestHandler } from 'express';
 import formats = require('@rdfjs/formats-common');
 
-declare module 'express' {
+declare module 'express-serve-static-core' {
     interface Request {
         dataset(parserOptions?: any): Promise<DatasetCore>;
         quadStream(parserOptions?: any): Stream;