diff --git a/Telegram/SourceFiles/historywidget.cpp b/Telegram/SourceFiles/historywidget.cpp
index d7903726f5..ae9afd26a1 100644
--- a/Telegram/SourceFiles/historywidget.cpp
+++ b/Telegram/SourceFiles/historywidget.cpp
@@ -6516,7 +6516,7 @@ void HistoryWidget::onAnimActiveStep() {
 		return _animActiveTimer.stop();
 	}
 
-	HistoryItem *item = (_activeAnimMsgId > 0) ? App::histItemById(_channel, _activeAnimMsgId) : App::histItemById(_migrated->channelId(), -_activeAnimMsgId);
+	HistoryItem *item = (_activeAnimMsgId < 0 && -_activeAnimMsgId < ServerMaxMsgId && _migrated) ? App::histItemById(_migrated->channelId(), -_activeAnimMsgId) : App::histItemById(_channel, _activeAnimMsgId);
 	if (!item || item->detached()) return _animActiveTimer.stop();
 
 	if (getms() - _animActiveStart > st::activeFadeInDuration + st::activeFadeOutDuration) {
diff --git a/Telegram/SourceFiles/mediaview.cpp b/Telegram/SourceFiles/mediaview.cpp
index 21ee4d8676..aca6465ed1 100644
--- a/Telegram/SourceFiles/mediaview.cpp
+++ b/Telegram/SourceFiles/mediaview.cpp
@@ -1538,12 +1538,14 @@ void MediaView::preloadData(int32 delta) {
 		for (int32 i = from; i <= to; ++i) {
 			History *previewHistory = _msgmigrated ? _migrated : _history;
 			int32 previewIndex = i;
-			if (_msgmigrated && previewIndex >= _migrated->overview[_overview].size()) {
-				previewHistory = _history;
-				previewIndex -= _migrated->overview[_overview].size() + (_history->overviewCount(_overview) - _history->overview[_overview].size());
-			} else if (!_msgmigrated && previewIndex < 0) {
-				previewHistory = _migrated;
-				previewIndex += _migrated->overview[_overview].size();
+			if (_migrated) {
+				if (_msgmigrated && previewIndex >= _migrated->overview[_overview].size()) {
+					previewHistory = _history;
+					previewIndex -= _migrated->overview[_overview].size() + (_history->overviewCount(_overview) - _history->overview[_overview].size());
+				} else if (!_msgmigrated && previewIndex < 0) {
+					previewHistory = _migrated;
+					previewIndex += _migrated->overview[_overview].size();
+				}
 			}
 			if (previewIndex >= 0 && previewIndex < previewHistory->overview[_overview].size() && (previewHistory != (_msgmigrated ? _migrated : _history) || previewIndex != _index)) {
 				if (HistoryItem *item = App::histItemById(previewHistory->channelId(), previewHistory->overview[_overview][previewIndex])) {
@@ -1559,12 +1561,14 @@ void MediaView::preloadData(int32 delta) {
 		}
 		int32 forgetIndex = _index - delta * 2;
 		History *forgetHistory = _msgmigrated ? _migrated : _history;
-		if (_msgmigrated && forgetIndex >= _migrated->overview[_overview].size()) {
-			forgetHistory = _history;
-			forgetIndex -= _migrated->overview[_overview].size() + (_history->overviewCount(_overview) - _history->overview[_overview].size());
-		} else if (!_msgmigrated && forgetIndex < 0) {
-			forgetHistory = _migrated;
-			forgetIndex += _migrated->overview[_overview].size();
+		if (_migrated) {
+			if (_msgmigrated && forgetIndex >= _migrated->overview[_overview].size()) {
+				forgetHistory = _history;
+				forgetIndex -= _migrated->overview[_overview].size() + (_history->overviewCount(_overview) - _history->overview[_overview].size());
+			} else if (!_msgmigrated && forgetIndex < 0) {
+				forgetHistory = _migrated;
+				forgetIndex += _migrated->overview[_overview].size();
+			}
 		}
 		if (forgetIndex >= 0 && forgetIndex < forgetHistory->overview[_overview].size() && (forgetHistory != (_msgmigrated ? _migrated : _history) || forgetIndex != _index)) {
 			if (HistoryItem *item = App::histItemById(forgetHistory->channelId(), forgetHistory->overview[_overview][forgetIndex])) {