diff --git a/multer/multer.d.ts b/multer/multer.d.ts
index 8bb3c263d3..4b70555af8 100644
--- a/multer/multer.d.ts
+++ b/multer/multer.d.ts
@@ -9,7 +9,7 @@ declare namespace Express {
     export interface Request {
         file: Multer.File;
         files: {
-            [fieldname: string]: Multer.File
+            [fieldname: string]: Multer.File[]
         };
     }