diff --git a/Telegram/SourceFiles/boxes/add_contact_box.cpp b/Telegram/SourceFiles/boxes/add_contact_box.cpp
index 8fd1f5c2b..9819c855c 100644
--- a/Telegram/SourceFiles/boxes/add_contact_box.cpp
+++ b/Telegram/SourceFiles/boxes/add_contact_box.cpp
@@ -12,12 +12,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/random.h"
 #include "ui/boxes/confirm_box.h"
 #include "boxes/abstract_box.h"
-#include "boxes/peer_list_controllers.h"
 #include "boxes/premium_limits_box.h"
 #include "boxes/peers/add_participants_box.h"
 #include "boxes/peers/edit_peer_common.h"
 #include "boxes/peers/edit_participant_box.h"
-#include "boxes/peers/edit_participants_box.h"
 #include "core/application.h"
 #include "core/core_settings.h"
 #include "chat_helpers/emoji_suggestions_widget.h"
@@ -27,34 +25,26 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "menu/menu_ttl.h"
 #include "ui/controls/userpic_button.h"
 #include "ui/widgets/checkbox.h"
-#include "ui/widgets/buttons.h"
-#include "ui/widgets/labels.h"
 #include "ui/toast/toast.h"
 #include "ui/widgets/fields/input_field.h"
 #include "ui/widgets/fields/special_fields.h"
 #include "ui/widgets/popup_menu.h"
 #include "ui/text/format_values.h"
-#include "ui/text/text_options.h"
 #include "ui/text/text_utilities.h"
-#include "ui/unread_badge.h"
-#include "ui/ui_utility.h"
 #include "ui/painter.h"
 #include "data/data_channel.h"
 #include "data/data_chat.h"
 #include "data/data_user.h"
 #include "data/data_session.h"
 #include "data/data_changes.h"
-#include "data/data_cloud_file.h"
 #include "apiwrap.h"
 #include "api/api_invite_links.h"
 #include "api/api_peer_photo.h"
+#include "api/api_self_destruct.h"
 #include "main/main_session.h"
 #include "styles/style_info.h"
 #include "styles/style_layers.h"
 #include "styles/style_menu_icons.h"
-#include "styles/style_boxes.h"
-#include "styles/style_dialogs.h"
-#include "styles/style_widgets.h"
 
 #include <QtGui/QGuiApplication>
 #include <QtGui/QClipboard>
@@ -599,6 +589,8 @@ void GroupInfoBox::prepare() {
 	addButton(tr::lng_cancel(), [this] { closeBox(); });
 
 	if (_type == Type::Group) {
+		_navigation->session().api().selfDestruct().reload();
+
 		const auto top = addTopButton(st::infoTopBarMenu);
 		const auto menu =
 			top->lifetime().make_state<base::unique_qptr<Ui::PopupMenu>>();
@@ -607,21 +599,21 @@ void GroupInfoBox::prepare() {
 				top,
 				st::popupMenuWithIcons);
 
+			const auto ttl = ttlPeriod();
 			const auto text = tr::lng_manage_messages_ttl_menu(tr::now)
-				+ (_ttlPeriod
-					? ('\t' + Ui::FormatTTLTiny(_ttlPeriod))
-					: QString());
+				+ (ttl ? ('\t' + Ui::FormatTTLTiny(ttl)) : QString());
 			(*menu)->addAction(
 				text,
 				[=, show = uiShow()] {
 					show->showBox(Box(TTLMenu::TTLBox, TTLMenu::Args{
 						.show = show,
-						.startTtl = _ttlPeriod,
+						.startTtl = ttlPeriod(),
 						.about = nullptr,
 						.callback = crl::guard(this, [=](
 								TimeId t,
 								Fn<void()> close) {
 							_ttlPeriod = t;
+							_ttlPeriodOverridden = true;
 							close();
 						}),
 					}));
@@ -687,6 +679,13 @@ void GroupInfoBox::submitName() {
 	}
 }
 
+TimeId GroupInfoBox::ttlPeriod() const {
+	return _ttlPeriodOverridden
+		? _ttlPeriod
+		: _navigation->session().api().selfDestruct()
+			.periodDefaultHistoryTTLCurrent();
+}
+
 void GroupInfoBox::createGroup(
 		QPointer<Ui::BoxContent> selectUsersBox,
 		const QString &title,
@@ -705,15 +704,13 @@ void GroupInfoBox::createGroup(
 		}
 	}
 	_creationRequestId = _api.request(MTPmessages_CreateChat(
-		MTP_flags(_ttlPeriod
-			? MTPmessages_CreateChat::Flag::f_ttl_period
-			: MTPmessages_CreateChat::Flags(0)),
+		MTP_flags(MTPmessages_CreateChat::Flag::f_ttl_period),
 		MTP_vector<TLUsers>(inputs),
 		MTP_string(title),
-		MTP_int(_ttlPeriod)
+		MTP_int(ttlPeriod())
 	)).done([=](const MTPUpdates &result) {
 		auto image = _photo->takeResultImage();
-		const auto period = _ttlPeriod;
+		const auto period = ttlPeriod();
 		const auto navigation = _navigation;
 		const auto done = _done;
 
@@ -799,16 +796,17 @@ void GroupInfoBox::createChannel(
 			? Flag::f_megagroup
 			: Flag::f_broadcast)
 		| ((_type == Type::Forum) ? Flag::f_forum : Flag())
-		| ((_type == Type::Megagroup && _ttlPeriod)
+		| ((_type == Type::Megagroup)
 			? MTPchannels_CreateChannel::Flag::f_ttl_period
 			: MTPchannels_CreateChannel::Flags(0));
+	const auto ttl = ttlPeriod();
 	_creationRequestId = _api.request(MTPchannels_CreateChannel(
 		MTP_flags(flags),
 		MTP_string(title),
 		MTP_string(description),
 		MTPInputGeoPoint(), // geo_point
 		MTPstring(), // address
-		MTP_int((_type == Type::Megagroup) ? _ttlPeriod : 0)
+		MTP_int((_type == Type::Megagroup) ? ttl : 0)
 	)).done([=](const MTPUpdates &result) {
 		_navigation->session().api().applyUpdates(result);
 
@@ -841,8 +839,8 @@ void GroupInfoBox::createChannel(
 						channel,
 						{ std::move(image) });
 				}
-				if (_ttlPeriod && channel->isMegagroup()) {
-					channel->setMessagesTTL(_ttlPeriod);
+				if (ttl && channel->isMegagroup()) {
+					channel->setMessagesTTL(ttl);
 				}
 				channel->session().api().requestFullPeer(channel);
 				_createdChannel = channel;
diff --git a/Telegram/SourceFiles/boxes/add_contact_box.h b/Telegram/SourceFiles/boxes/add_contact_box.h
index ef70f7c3b..6d19a2d7f 100644
--- a/Telegram/SourceFiles/boxes/add_contact_box.h
+++ b/Telegram/SourceFiles/boxes/add_contact_box.h
@@ -132,6 +132,8 @@ private:
 	void descriptionResized();
 	void updateMaxHeight();
 
+	[[nodiscard]] TimeId ttlPeriod() const;
+
 	const not_null<Window::SessionNavigation*> _navigation;
 	MTP::Sender _api;
 
@@ -150,6 +152,7 @@ private:
 	bool _creatingInviteLink = false;
 	ChannelData *_createdChannel = nullptr;
 	TimeId _ttlPeriod = 0;
+	bool _ttlPeriodOverridden = false;
 
 };