diff --git a/src/calibre/gui2/actions/copy_to_library.py b/src/calibre/gui2/actions/copy_to_library.py
index c42e4b225c..0f07e4e69b 100644
--- a/src/calibre/gui2/actions/copy_to_library.py
+++ b/src/calibre/gui2/actions/copy_to_library.py
@@ -15,6 +15,7 @@ from PyQt5.Qt import (
     QToolButton, QDialog, QGridLayout, QIcon, QLabel, QDialogButtonBox, QApplication,
     QFormLayout, QCheckBox, QWidget, QScrollArea, QVBoxLayout, Qt, QListWidgetItem, QListWidget)
 
+from calibre.constants import isosx
 from calibre.gui2.actions import InterfaceAction
 from calibre.gui2 import (error_dialog, Dispatcher, warning_dialog, gprefs,
         info_dialog, choose_dir)
@@ -359,6 +360,9 @@ class CopyToLibraryAction(InterfaceAction):
         if len(locations) <= 50:
             self.menu.addAction(_('Choose library by path...'), self.choose_library)
         self.qaction.setVisible(bool(locations))
+        if isosx:
+            # The cloned action has to have its menu updated
+            self.qaction.changed.emit()
 
     def choose_library(self):
         d = ChooseLibrary(self.gui)