diff --git a/.changes/macos-fix-set-tray-menu.md b/.changes/macos-fix-set-tray-menu.md
new file mode 100644
index 000000000..d910c5e98
--- /dev/null
+++ b/.changes/macos-fix-set-tray-menu.md
@@ -0,0 +1,5 @@
+---
+"tao": patch
+---
+
+On macOS, fix `SystemTrayEvent` not emitted after calling `set_menu`.
diff --git a/src/platform_impl/macos/system_tray.rs b/src/platform_impl/macos/system_tray.rs
index c51fb58d7..568cf8d95 100644
--- a/src/platform_impl/macos/system_tray.rs
+++ b/src/platform_impl/macos/system_tray.rs
@@ -145,7 +145,11 @@ impl SystemTray {
 
   pub fn set_menu(&mut self, tray_menu: &Menu) {
     unsafe {
-      self.ns_status_bar.setMenu_(tray_menu.menu);
+      self.tray_menu = Some(tray_menu.clone());
+
+      let tray_target: id = msg_send![self.ns_status_bar.button(), target];
+      (*tray_target).set_ivar("menu", tray_menu.menu);
+      let () = msg_send![tray_menu.menu, setDelegate: tray_target];
     }
   }