diff --git a/ui/platform/linux/ui_window_title_linux.cpp b/ui/platform/linux/ui_window_title_linux.cpp
index 848e42f..cc07b6b 100644
--- a/ui/platform/linux/ui_window_title_linux.cpp
+++ b/ui/platform/linux/ui_window_title_linux.cpp
@@ -71,17 +71,11 @@ TitleControls::Layout TitleControlsLayout() {
 		}
 #endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
 
-		using XDPSettingWatcher = base::Platform::XDP::SettingWatcher;
-		static const XDPSettingWatcher settingWatcher(
-			[=](
-				const Glib::ustring &group,
-				const Glib::ustring &key,
-				const Glib::VariantBase &value) {
-				if (group == "org.gnome.desktop.wm.preferences"
-					&& key == "button-layout") {
-					NotifyTitleControlsLayoutChanged();
-				}
-			});
+		namespace XDP = base::Platform::XDP;
+		static const XDP::SettingWatcher settingWatcher(
+			"org.gnome.desktop.wm.preferences",
+			"button-layout",
+			[] { NotifyTitleControlsLayoutChanged(); });
 
 		return true;
 	}();