diff --git a/types/multer/index.d.ts b/types/multer/index.d.ts
index 8dafd2b5d1..3ccc878453 100644
--- a/types/multer/index.d.ts
+++ b/types/multer/index.d.ts
@@ -88,7 +88,7 @@ declare global {
             file: Multer.File;
             files: {
                 [fieldname: string]: Multer.File[];
-            };
+            } | Multer.File[];
         }
 
         namespace Multer {