diff --git a/packages/webserver/src/middleware/handler.ts b/packages/webserver/src/middleware/handler.ts
index ef9c646..d3bbfd9 100644
--- a/packages/webserver/src/middleware/handler.ts
+++ b/packages/webserver/src/middleware/handler.ts
@@ -7,7 +7,7 @@ import "fastify-multipart";
 export { FastifyReply } from "fastify";
 
 export type MiddlewareRequest<P>          = FastifyRequest & { middlewareParams: P };
-export type HandlerMethod<T               = undefined> = (request: MiddlewareRequest<T>, reply: FastifyReply, next?: any) => void;
+export type HandlerMethod<T = undefined>  = (request: MiddlewareRequest<T>, reply: FastifyReply, next?: any) => void;
 export type MiddlewareMethod<T>           = (request: MiddlewareRequest<T>, reply: FastifyReply, next: () => void) => void;
 export type HandlerMethodWithMiddleware<T = undefined> = (request: MiddlewareRequest<MiddlewareParams<T>>, reply: FastifyReply) => void;
 export type IteratorNext                  = () => void;