diff --git a/Telegram/SourceFiles/data/data_replies_list.cpp b/Telegram/SourceFiles/data/data_replies_list.cpp
index 5c1700093..2a962dc1b 100644
--- a/Telegram/SourceFiles/data/data_replies_list.cpp
+++ b/Telegram/SourceFiles/data/data_replies_list.cpp
@@ -368,6 +368,16 @@ bool RepliesList::buildFromData(not_null<Viewer*> viewer) {
 			return viewer->around;
 		} else if (const auto item = lookupRoot()) {
 			return computeInboxReadTillFull();
+		} else if (_owningTopic) {
+			// Somehow we don't want always to jump to computed inboxReadTill
+			// (this was in the code before, but I don't remember why).
+			// Maybe in case we "View Thread" from a group we don't really
+			// want to jump to unread inside thread, cause it isn't defined.
+			//
+			// But in case of topics we definitely want to support jumping
+			// to the first unread, even if it is General topic without the
+			// actual root message or it is a broken topic without root.
+			return computeInboxReadTillFull();
 		}
 		return viewer->around;
 	}();