applyWSSHandler yells at context error in express

const handler = applyWSSHandler({wss, router: appRouter, createContext});

TS2322: Type '({ req, res, }: CreateExpressContextOptions) => Promise<{ req: Request<ParamsDictionary, any, any, ParsedQs, Record<string, any>>; res: Response<...>; }>' is not assignable to type 'NodeHTTPCreateContextFn<CreateRouterInner<RootConfig<{ ctx: { req: Request<ParamsDictionary, any, any, ParsedQs, Record<string, any>>; res: Response<any, Record<string, any>>; }; meta: object; errorShape: { ...; }; transformer

export async function createContext({req, res}: trpcExpress.CreateExpressContextOptions) {return {req, res}}