diff --git a/Telegram/SourceFiles/core/core_settings.h b/Telegram/SourceFiles/core/core_settings.h
index fac4598b3..8dce0aa7c 100644
--- a/Telegram/SourceFiles/core/core_settings.h
+++ b/Telegram/SourceFiles/core/core_settings.h
@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+#include "base/platform/base_platform_info.h"
 #include "core/core_settings_proxy.h"
 #include "window/themes/window_themes_embedded.h"
 #include "ui/widgets/input_fields.h"
@@ -837,7 +838,7 @@ private:
 	rpl::variable<float64> _dialogsWidthRatio; // per-window
 	rpl::variable<int> _thirdColumnWidth = kDefaultThirdColumnWidth; // p-w
 	bool _notifyFromAll = true;
-	rpl::variable<bool> _nativeWindowFrame = false;
+	rpl::variable<bool> _nativeWindowFrame = Platform::IsLinux();
 	rpl::variable<std::optional<bool>> _systemDarkMode = std::nullopt;
 	rpl::variable<bool> _systemDarkModeEnabled = false;
 	WindowPosition _windowPosition; // per-window