diff --git a/Userland/Services/WindowServer/Window.cpp b/Userland/Services/WindowServer/Window.cpp
index 4f9b8b38e7..748d9b1564 100644
--- a/Userland/Services/WindowServer/Window.cpp
+++ b/Userland/Services/WindowServer/Window.cpp
@@ -228,7 +228,7 @@ void Window::update_window_menu_items()
         return;
 
     m_window_menu_minimize_item->set_text(m_minimized_state != WindowMinimizedState::None ? "&Unminimize" : "Mi&nimize");
-    m_window_menu_minimize_item->set_enabled(m_minimizable);
+    m_window_menu_minimize_item->set_enabled(m_minimizable && !is_modal());
 
     m_window_menu_maximize_item->set_text(is_maximized() ? "&Restore" : "Ma&ximize");
     m_window_menu_maximize_item->set_enabled(m_resizable);
diff --git a/Userland/Services/WindowServer/WindowFrame.cpp b/Userland/Services/WindowServer/WindowFrame.cpp
index 0cf8eb866a..0756e54c31 100644
--- a/Userland/Services/WindowServer/WindowFrame.cpp
+++ b/Userland/Services/WindowServer/WindowFrame.cpp
@@ -107,7 +107,7 @@ void WindowFrame::window_was_constructed(Badge<Window>)
         m_buttons.append(move(button));
     }
 
-    if (m_window.is_minimizable()) {
+    if (m_window.is_minimizable() && !m_window.is_modal()) {
         auto button = make<Button>(*this, [this](auto&) {
             m_window.handle_window_menu_action(WindowMenuAction::MinimizeOrUnminimize);
         });
@@ -136,7 +136,7 @@ void WindowFrame::set_button_icons()
         m_close_button->set_icon(m_window.is_modified() ? s_close_modified_icon : s_close_icon);
         m_close_button->set_style(button_style);
     }
-    if (m_window.is_minimizable()) {
+    if (m_window.is_minimizable() && !m_window.is_modal()) {
         m_minimize_button->set_icon(s_minimize_icon);
         m_minimize_button->set_style(button_style);
     }
diff --git a/Userland/Services/WindowServer/WindowManager.cpp b/Userland/Services/WindowServer/WindowManager.cpp
index 46da200b65..418b827cf0 100644
--- a/Userland/Services/WindowServer/WindowManager.cpp
+++ b/Userland/Services/WindowServer/WindowManager.cpp
@@ -1673,7 +1673,7 @@ void WindowManager::process_key_event(KeyEvent& event)
                     maximize_windows(*active_input_window, false);
                     return;
                 }
-                if (active_input_window->is_minimizable())
+                if (active_input_window->is_minimizable() && !active_input_window->is_modal())
                     minimize_windows(*active_input_window, true);
                 return;
             }