diff --git a/Userland/Applications/GamesSettings/CardSettingsWidget.cpp b/Userland/Applications/GamesSettings/CardSettingsWidget.cpp
index d584d261ea..4c92862ef0 100644
--- a/Userland/Applications/GamesSettings/CardSettingsWidget.cpp
+++ b/Userland/Applications/GamesSettings/CardSettingsWidget.cpp
@@ -11,6 +11,8 @@
 #include <LibGUI/FileSystemModel.h>
 #include <LibGfx/Palette.h>
 
+namespace GamesSettings {
+
 static constexpr StringView default_card_back_image_path = "/res/icons/cards/buggie-deck.png"sv;
 
 CardSettingsWidget::CardSettingsWidget()
@@ -94,3 +96,5 @@ DeprecatedString CardSettingsWidget::card_back_image_path() const
         card_back_image_index = card_back_selection.first();
     return static_cast<GUI::FileSystemModel const*>(m_card_back_image_view->model())->full_path(card_back_image_index);
 }
+
+}
diff --git a/Userland/Applications/GamesSettings/CardSettingsWidget.h b/Userland/Applications/GamesSettings/CardSettingsWidget.h
index 9e8e6e70c3..a44bfe39ee 100644
--- a/Userland/Applications/GamesSettings/CardSettingsWidget.h
+++ b/Userland/Applications/GamesSettings/CardSettingsWidget.h
@@ -13,6 +13,8 @@
 #include <LibGUI/ModelIndex.h>
 #include <LibGUI/SettingsWindow.h>
 
+namespace GamesSettings {
+
 class CardSettingsWidget final : public GUI::SettingsWindow::Tab {
     C_OBJECT(CardSettingsWidget)
 public:
@@ -38,3 +40,5 @@ private:
 
     GUI::ModelIndex m_last_selected_card_back;
 };
+
+}
diff --git a/Userland/Applications/GamesSettings/main.cpp b/Userland/Applications/GamesSettings/main.cpp
index 9aea881ae3..b5e474ce6a 100644
--- a/Userland/Applications/GamesSettings/main.cpp
+++ b/Userland/Applications/GamesSettings/main.cpp
@@ -31,7 +31,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto window = TRY(GUI::SettingsWindow::create("Games Settings", GUI::SettingsWindow::ShowDefaultsButton::Yes));
     window->set_icon(app_icon.bitmap_for_size(16));
-    (void)TRY(window->add_tab<CardSettingsWidget>("Cards"sv, "cards"sv));
+    (void)TRY(window->add_tab<GamesSettings::CardSettingsWidget>("Cards"sv, "cards"sv));
     window->set_active_tab(selected_tab);
 
     window->show();