diff --git a/main/UASwitcher.js b/main/UASwitcher.js
index 981bd64d5..e2ee833dd 100644
--- a/main/UASwitcher.js
+++ b/main/UASwitcher.js
@@ -1,6 +1,6 @@
 /* Use the same user agent as Chrome to improve site compatibility and increase fingerprinting resistance
 see https://github.com/minbrowser/min/issues/657 for more information */
 
-let defaultUserAgent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/537.36 (KHTML, like Gecko) old-airport-include/1.0.0 Chrome/79.0.3945.130 Electron/7.1.9 Safari/537.36'
+let defaultUserAgent = app.userAgentFallback
 let newUserAgent = defaultUserAgent.replace(/Min\/\S+\s/, '').replace(/Electron\/\S+\s/, '')
 app.userAgentFallback = newUserAgent