diff --git a/src/calibre/gui2/tweak_book/ui.py b/src/calibre/gui2/tweak_book/ui.py
index c157bd05cd..856a6ad353 100644
--- a/src/calibre/gui2/tweak_book/ui.py
+++ b/src/calibre/gui2/tweak_book/ui.py
@@ -443,6 +443,7 @@ class Main(MainWindow):
         a = e.addAction
         a(self.action_help)
         a(QIcon(I('donate.png')), _('Donate to support calibre development'), open_donate)
+        a(self.action_preferences)
 
     def update_recent_books(self):
         m = self.recent_books_menu