diff --git a/Telegram/SourceFiles/mainwidget.cpp b/Telegram/SourceFiles/mainwidget.cpp
index cdf9f42a26..c99aec5e15 100644
--- a/Telegram/SourceFiles/mainwidget.cpp
+++ b/Telegram/SourceFiles/mainwidget.cpp
@@ -3742,7 +3742,10 @@ int32 MainWidget::dlgsWidth() const {
 MainWidget::~MainWidget() {
 	if (App::main() == this) _history->showHistory(0, 0);
 
-	delete _hider;
+	if (HistoryHider *hider = _hider) {
+		_hider = nullptr;
+		delete hider;
+	}
 	MTP::clearGlobalHandlers();
 
 	if (App::wnd()) App::wnd()->noMain(this);
diff --git a/Telegram/SourceFiles/media/view/media_clip_controller.cpp b/Telegram/SourceFiles/media/view/media_clip_controller.cpp
index 904b5bae12..18c43dbae5 100644
--- a/Telegram/SourceFiles/media/view/media_clip_controller.cpp
+++ b/Telegram/SourceFiles/media/view/media_clip_controller.cpp
@@ -59,8 +59,8 @@ void Controller::onSeekProgress(float64 progress) {
 	auto positionMs = snap(static_cast<int64>(progress * _lastDurationMs), 0LL, _lastDurationMs);
 	if (_seekPositionMs != positionMs) {
 		_seekPositionMs = positionMs;
-		emit seekProgress(positionMs);
 		refreshTimeTexts();
+		emit seekProgress(positionMs); // This may destroy Controller.
 	}
 }
 
diff --git a/Telegram/SourceFiles/media/view/media_clip_playback.cpp b/Telegram/SourceFiles/media/view/media_clip_playback.cpp
index 1fccb72786..2b1f821483 100644
--- a/Telegram/SourceFiles/media/view/media_clip_playback.cpp
+++ b/Telegram/SourceFiles/media/view/media_clip_playback.cpp
@@ -122,8 +122,8 @@ void Playback::mouseMoveEvent(QMouseEvent *e) {
 void Playback::mousePressEvent(QMouseEvent *e) {
 	_mouseDown = true;
 	_downProgress = snap(e->pos().x() / float64(width()), 0., 1.);
-	emit seekProgress(_downProgress);
 	update();
+	emit seekProgress(_downProgress); // This may destroy Playback.
 }
 
 void Playback::mouseReleaseEvent(QMouseEvent *e) {