diff --git a/CHANGELOG.md b/CHANGELOG.md
index 56ca10e82..927ca8292 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@
 ### Bugs fixed
 
 * Issues with NM PANU connections of equally named devices
+* Submenus in KDE Plasma tray
 
 ## 2.3.1
 
diff --git a/blueman/main/indicators/StatusNotifierItem.py b/blueman/main/indicators/StatusNotifierItem.py
index 650e3c96b..154965f81 100644
--- a/blueman/main/indicators/StatusNotifierItem.py
+++ b/blueman/main/indicators/StatusNotifierItem.py
@@ -21,6 +21,7 @@ def __init__(self, on_activate_menu_item: "MenuItemActivator") -> None:
 
         self.add_method("GetLayout", ("i", "i", "as"), ("u", "(ia{sv}av)"), self._get_layout)
         self.add_method("Event", ("i", "s", "v", "u"), (), self._on_event)
+        self.add_method("AboutToShow", ("i",), ("b",), lambda _: self._revision > self._revision_advertised)
 
         self.add_method("GetGroupProperties", ("ai", "as"), ("a(ia{sv})",),
                         lambda ids, props: [(idx, self._render_item(item)) for idx, item in self._iterate_items()