diff --git a/src/types/fetch.ts b/src/types/fetch.ts
index 02c83c1c57..0b7014b4c9 100644
--- a/src/types/fetch.ts
+++ b/src/types/fetch.ts
@@ -16,7 +16,7 @@ export type MiddlewareOf<
   Route extends string,
   Method extends RouterMethod | "default",
 > = Method extends keyof InternalApi[MatchedRoutes<Route>]
-  ? Exclude<InternalApi[MatchedRoutes<Route>][Method], Error | void>
+  ? InternalApi[MatchedRoutes<Route>][Method]
   : never;
 
 export type TypedInternalResponse<