--- a/src/dbusmenuimporter.cpp
+++ b/src/dbusmenuimporter.cpp
@@ -189,6 +189,8 @@
             updateActionVisible(action, value);
         } else if (key == "shortcut") {
             updateActionShortcut(action, value);
+        } else if (key == "children-display") {
+            updateActionSubmenu(action, value);
         } else {
             DMWARNING << "Unhandled property update" << key;
         }
@@ -259,6 +261,15 @@
         action->setShortcut(keySequence);
     }
 
+    void updateActionSubmenu(QAction *action, const QVariant &value)
+    {
+        if (value.toString() == "submenu") {
+            int id = action->property(DBUSMENU_PROPERTY_ID).toInt();
+            m_idsRefreshedByAboutToShow << id;
+            refresh(id);
+        }
+    }
+
     QMenu *menuForId(int id) const
     {
         if (id == 0) {