diff --git a/Telegram/SourceFiles/history/history.cpp b/Telegram/SourceFiles/history/history.cpp
index f267ba0b36..8fb63beccd 100644
--- a/Telegram/SourceFiles/history/history.cpp
+++ b/Telegram/SourceFiles/history/history.cpp
@@ -2090,6 +2090,7 @@ void History::setLastMessage(HistoryItem *item) {
 		if (*_lastMessage == item) {
 			return;
 		} else if (*_lastMessage
+			&& item
 			&& !IsServerMsgId((*_lastMessage)->id)
 			&& (*_lastMessage)->date() > item->date()) {
 			return;