diff --git a/src/mobile-config-prefs.js b/src/mobile-config-prefs.js
index fbdde0b..aba148e 100644
--- a/src/mobile-config-prefs.js
+++ b/src/mobile-config-prefs.js
@@ -11,8 +11,8 @@ pref('dom.w3c.touch_events.enabled', true);
 pref('apz.allow_zooming', true);
 pref('apz.allow_double_tap_zooming', true);
 
-// Save vertical space by drawing directly in the titlebar
-pref('browser.tabs.drawInTitlebar', true);
+// Save vertical space by hiding the titlebar
+pref('browser.tabs.inTitlebar', 1);
 
 // Disable search suggestions
 pref('browser.search.suggest.enabled', false);