diff --git a/Telegram/SourceFiles/calls/group/ui/calls_group_scheduled_labels.cpp b/Telegram/SourceFiles/calls/group/ui/calls_group_scheduled_labels.cpp
index dcd7aa7628..aa8bfa9565 100644
--- a/Telegram/SourceFiles/calls/group/ui/calls_group_scheduled_labels.cpp
+++ b/Telegram/SourceFiles/calls/group/ui/calls_group_scheduled_labels.cpp
@@ -34,7 +34,7 @@ rpl::producer<QString> StartsWhenText(rpl::producer<TimeId> date) {
 		const auto tillAfter = tillToday + kDay;
 
 		const auto time = parsedDate.time().toString(
-			QLocale::system().timeFormat(QLocale::ShortFormat));
+			Ui::Integration::Instance().timeFormat());
 		auto exact = tr::lng_group_call_starts_short_date(
 			lt_date,
 			rpl::single(langDayOfMonthFull(dateDay.date())),
diff --git a/Telegram/SourceFiles/ui/chat/group_call_bar.cpp b/Telegram/SourceFiles/ui/chat/group_call_bar.cpp
index 4a743706bc..8b49ea164b 100644
--- a/Telegram/SourceFiles/ui/chat/group_call_bar.cpp
+++ b/Telegram/SourceFiles/ui/chat/group_call_bar.cpp
@@ -290,7 +290,7 @@ void GroupCallBar::paint(Painter &p) {
 		const auto parsed = base::unixtime::parse(_content.scheduleDate);
 		const auto date = parsed.date();
 		const auto time = parsed.time().toString(
-			QLocale::system().timeFormat(QLocale::ShortFormat));
+			Ui::Integration::Instance().timeFormat());
 		const auto today = QDate::currentDate();
 		if (date == today) {
 			return tr::lng_group_call_starts_today(tr::now, lt_time, time);