diff --git a/src/kolibri_gnome/kolibri_window.py b/src/kolibri_gnome/kolibri_window.py
index b98070b..225ad8d 100644
--- a/src/kolibri_gnome/kolibri_window.py
+++ b/src/kolibri_gnome/kolibri_window.py
@@ -91,7 +91,11 @@ def __init__(
         self.__header_bar.show()
         content_box.append(self.__header_bar)
 
-        menu_button = Gtk.MenuButton(direction=Gtk.ArrowType.NONE)
+        menu_button = Gtk.MenuButton(
+            direction=Gtk.ArrowType.NONE,
+            tooltip_text=_("Main Menu"),
+            primary=True
+        )
         self.__header_bar.pack_end(menu_button)
 
         menu_popover = Gtk.PopoverMenu.new_from_model(_KolibriWindowMenu())