diff --git a/Userland/Services/WindowServer/Window.cpp b/Userland/Services/WindowServer/Window.cpp
index b5182a47b1..5e7946ebe8 100644
--- a/Userland/Services/WindowServer/Window.cpp
+++ b/Userland/Services/WindowServer/Window.cpp
@@ -997,6 +997,7 @@ void Window::set_modified(bool modified)
         return;
 
     m_modified = modified;
+    WindowManager::the().notify_modified_changed(*this);
     frame().set_button_icons();
     frame().invalidate_titlebar();
 }
diff --git a/Userland/Services/WindowServer/WindowManager.cpp b/Userland/Services/WindowServer/WindowManager.cpp
index 668ebc5675..dd729f132e 100644
--- a/Userland/Services/WindowServer/WindowManager.cpp
+++ b/Userland/Services/WindowServer/WindowManager.cpp
@@ -375,6 +375,14 @@ static bool window_type_has_title(WindowType type)
     return type == WindowType::Normal || type == WindowType::ToolWindow;
 }
 
+void WindowManager::notify_modified_changed(Window& window)
+{
+    if (m_switcher.is_visible())
+        m_switcher.refresh();
+
+    tell_wms_window_state_changed(window);
+}
+
 void WindowManager::notify_title_changed(Window& window)
 {
     if (!window_type_has_title(window.type()))
diff --git a/Userland/Services/WindowServer/WindowManager.h b/Userland/Services/WindowServer/WindowManager.h
index 5adc22e358..58d5ca5ce0 100644
--- a/Userland/Services/WindowServer/WindowManager.h
+++ b/Userland/Services/WindowServer/WindowManager.h
@@ -78,6 +78,7 @@ public:
     void notify_opacity_changed(Window&);
     void notify_occlusion_state_changed(Window&);
     void notify_progress_changed(Window&);
+    void notify_modified_changed(Window&);
 
     Gfx::IntRect maximized_window_rect(const Window&) const;