diff --git a/.changes/gtk-add-menu-position.md b/.changes/gtk-add-menu-position.md
new file mode 100644
index 0000000..3201749
--- /dev/null
+++ b/.changes/gtk-add-menu-position.md
@@ -0,0 +1,5 @@
+---
+"muda": minor
+---
+
+**Breaking Change:** On Linux, `Menu::inti_for_gtk_window` has been changed to require the second paramter to extend `gtk::Box`. This ensures that the menu bar is added at the beginning of the box instead of at the bottom.
diff --git a/src/menu.rs b/src/menu.rs
index 8279be0..65d99c6 100644
--- a/src/menu.rs
+++ b/src/menu.rs
@@ -147,6 +147,7 @@ impl Menu {
         W: gtk::prelude::IsA<gtk::Window>,
         W: gtk::prelude::IsA<gtk::Container>,
         C: gtk::prelude::IsA<gtk::Container>,
+        C: gtk::prelude::IsA<gtk::Box>,
     {
         self.0.borrow_mut().init_for_gtk_window(window, container)
     }
diff --git a/src/platform_impl/gtk/mod.rs b/src/platform_impl/gtk/mod.rs
index 5fa92a3..00b0ce6 100644
--- a/src/platform_impl/gtk/mod.rs
+++ b/src/platform_impl/gtk/mod.rs
@@ -217,6 +217,7 @@ impl Menu {
         W: IsA<gtk::Window>,
         W: IsA<gtk::Container>,
         C: IsA<gtk::Container>,
+        C: IsA<gtk::Box>,
     {
         let id = window.as_ptr() as u32;
 
@@ -245,6 +246,7 @@ impl Menu {
         // add the menubar to the specified widget, otherwise to the window
         if let Some(container) = container {
             container.add(menu_bar);
+            container.reorder_child(menu_bar, 0);
         } else {
             window.add(menu_bar);
         }