diff --git a/src/mobile-config-autoconfig.js b/src/mobile-config-autoconfig.js
index 7e8ade6..2d59ffc 100644
--- a/src/mobile-config-autoconfig.js
+++ b/src/mobile-config-autoconfig.js
@@ -47,3 +47,6 @@ if (contentFile.exists() && defaultContent.exists() &&
 if (!contentFile.exists()) {
   defaultContent.copyTo(chromeDir, "userContent.css");
 }
+
+// Select a mobile user agent for firefox (same as tor browser on android)
+defaultPref('general.useragent.override', 'Mozilla/5.0 (Android 9; Mobile; rv:78.0) Gecko/20100101 Firefox/78.0');
diff --git a/src/mobile-config-prefs.js b/src/mobile-config-prefs.js
index fcb8a7c..fbdde0b 100644
--- a/src/mobile-config-prefs.js
+++ b/src/mobile-config-prefs.js
@@ -6,9 +6,6 @@ pref('general.config.filename', "mobile-config-autoconfig.js");
 pref('general.config.obscure_value', 0);
 pref('general.config.sandbox_enabled', false);
 
-// Select a mobile user agent for firefox (same as tor browser on android)
-pref('general.useragent.override', 'Mozilla/5.0 (Android 9; Mobile; rv:78.0) Gecko/20100101 Firefox/78.0');
-
 // Enable android-style pinch-to-zoom
 pref('dom.w3c.touch_events.enabled', true);
 pref('apz.allow_zooming', true);