diff --git a/mobile/app/mobile.js b/mobile/app/mobile.js
index 0ed920e5c6d7..f05a8b9eeb81 100644
--- a/mobile/app/mobile.js
+++ b/mobile/app/mobile.js
@@ -557,6 +557,7 @@ pref("services.sync.prefs.sync.lightweightThemes.isThemeSelected", true);
 pref("services.sync.prefs.sync.lightweightThemes.usedThemes", true);
 pref("services.sync.prefs.sync.network.cookie.cookieBehavior", true);
 pref("services.sync.prefs.sync.permissions.default.image", true);
+pref("services.sync.prefs.sync.privacy.donottrackheader.enabled", true);
 pref("services.sync.prefs.sync.signon.rememberSignons", true);
 #endif