diff --git a/libdbusmenuqt/dbusmenuimporter.cpp b/libdbusmenuqt/dbusmenuimporter.cpp
--- a/libdbusmenuqt/dbusmenuimporter.cpp
+++ b/libdbusmenuqt/dbusmenuimporter.cpp
@@ -437,7 +437,7 @@
                    updateMenu(menu);
                 });
             }
-            connect(menu, &QMenu::aboutToHide, this, &DBusMenuImporter::slotMenuAboutToHide);
+            connect(menu, &QMenu::aboutToHide, this, &DBusMenuImporter::slotMenuAboutToHide, Qt::UniqueConnection);
 
             menu->addAction(action);
         } else {