diff --git a/backend/middlewares/ThumbnailGeneratorMWs.ts b/backend/middlewares/ThumbnailGeneratorMWs.ts
index df17060b..e963a242 100644
--- a/backend/middlewares/ThumbnailGeneratorMWs.ts
+++ b/backend/middlewares/ThumbnailGeneratorMWs.ts
@@ -1,3 +1,5 @@
+///<reference path="jimp.d.ts"/>
+
 
 import * as path from 'path';
 import * as Jimp from 'jimp';
@@ -6,6 +8,8 @@ import * as fs from 'fs';
 import {NextFunction, Request, Response} from "express";
 import {Error, ErrorCodes} from "../../common/entities/Error";
 
+
+
 export class ThumbnailGeneratorMWs {
 
     public static generateThumbnail(req:Request, res:Response, next:NextFunction){ 
diff --git a/backend/middlewares/jimp.d.ts b/backend/middlewares/jimp.d.ts
new file mode 100644
index 00000000..b7941dd1
--- /dev/null
+++ b/backend/middlewares/jimp.d.ts
@@ -0,0 +1,4 @@
+declare module "jimp"{
+    function read(filaname);
+    var AUTO:any;
+}
\ No newline at end of file