diff --git a/news.d/feature/1333.ui.md b/news.d/feature/1333.ui.md
new file mode 100644
index 000000000..09155c645
--- /dev/null
+++ b/news.d/feature/1333.ui.md
@@ -0,0 +1 @@
+Show a message when hiding to tray.
diff --git a/plover/gui_qt/main_window.py b/plover/gui_qt/main_window.py
index 5a1f25e68..e2e297633 100644
--- a/plover/gui_qt/main_window.py
+++ b/plover/gui_qt/main_window.py
@@ -143,6 +143,7 @@ def __init__(self, engine, use_qt_notifications):
             self.on_configure()
         # Apply configuration settings.
         config = self._engine.config
+        self._warn_on_hide_to_tray = not config['start_minimized']
         self._update_machine(config['machine_type'])
         self._configured = False
         self.dictionaries.on_config_changed(config)
@@ -274,7 +275,12 @@ def on_show(self):
         self._focus()
 
     def closeEvent(self, event):
+        event.ignore()
         self.hide()
         if not self._trayicon.is_enabled():
             self._engine.quit()
-        event.ignore()
+            return
+        if not self._warn_on_hide_to_tray:
+            return
+        self._trayicon.show_message(_('Application is still running.'))
+        self._warn_on_hide_to_tray = False
diff --git a/plover/gui_qt/trayicon.py b/plover/gui_qt/trayicon.py
index d00e9a595..9dc4451ae 100644
--- a/plover/gui_qt/trayicon.py
+++ b/plover/gui_qt/trayicon.py
@@ -41,6 +41,12 @@ def set_menu(self, menu):
         if self._enabled:
             self._trayicon.setContextMenu(menu)
 
+    def show_message(self, message,
+                     icon=QSystemTrayIcon.Information,
+                     timeout=10000):
+        self._trayicon.showMessage(__software_name__.capitalize(),
+                                   message, icon, timeout)
+
     def log(self, level, message):
         if self._enabled:
             if level <= log.INFO:
@@ -52,8 +58,7 @@ def log(self, level, message):
             else:
                 icon = QSystemTrayIcon.Critical
                 timeout = 25
-            self._trayicon.showMessage(__software_name__.capitalize(),
-                                       message, icon, timeout * 1000)
+            self.show_message(message, icon, timeout * 1000)
         else:
             if level <= log.INFO:
                 icon = QMessageBox.Information