diff --git a/src/calibre/gui2/main_window.py b/src/calibre/gui2/main_window.py
index c4e177631e..9723a05145 100644
--- a/src/calibre/gui2/main_window.py
+++ b/src/calibre/gui2/main_window.py
@@ -185,6 +185,7 @@ def clone_menu(menu):
         return ans
 
     def clone_one_menu(m):
+        m.aboutToShow.emit()
         ans = QMenu(m.parent())
         for ac in m.actions():
             cac = clone_action(ac, ans)