diff --git a/src/AppLoader.ts b/src/AppLoader.ts
index ab4dc49..e4e639b 100644
--- a/src/AppLoader.ts
+++ b/src/AppLoader.ts
@@ -345,7 +345,7 @@ export class AppLoader<ED extends EntityDict & BaseEntityDict, Cxt extends Backe
                 endPointRouters.push(
                     [name, method, url, async (params, headers, req, body) => {
 
-                        let result: string | NodeJS.ReadableStream
+                        let result: any
                         if (type == "custom") {
                             result = await fn(() => this.makeContext(undefined, headers), params, headers, req, body);
                         } else {