diff --git a/src/main.js b/src/main.js
index 97491f7..aa37e13 100644
--- a/src/main.js
+++ b/src/main.js
@@ -262,7 +262,7 @@ async function track(env, id, format, tagging, range_header, user_agent) {
     if (user_agent === null || !user_agent.startsWith('TelegramBot')) {
         content_disposition = `inline; filename*=UTF-8''${encodeRFC5987ValueChars(filename)}`
     } else {
-        content_disposition = `inline; filename="${filename.replaceAll('"', (c) => `\\${c}`)}"`
+        content_disposition = `inline; filename="${filename.replaceAll('"', '%22')}"`
     }
 
     let init = { method: 'GET', headers: {} }