diff --git a/src/serverroutes.ts b/src/serverroutes.ts
index 8f83ef3ff..1d2f87ceb 100644
--- a/src/serverroutes.ts
+++ b/src/serverroutes.ts
@@ -1026,7 +1026,7 @@ module.exports = function (
           fieldname: string,
           // eslint-disable-next-line @typescript-eslint/no-explicit-any
           file: any,
-          filename: string
+          { filename }
         ) => {
           try {
             if (!filename.endsWith('.backup')) {