diff --git a/src/RoomList.cpp b/src/RoomList.cpp
index 981b1f11..85a22026 100644
--- a/src/RoomList.cpp
+++ b/src/RoomList.cpp
@@ -384,7 +384,7 @@ RoomList::sortRoomsByLastMessage()
 {
         isSortPending_ = false;
 
-        std::sort(begin(rooms_sort_cache_), end(rooms_sort_cache_), room_sort{});
+        std::stable_sort(begin(rooms_sort_cache_), end(rooms_sort_cache_), room_sort{});
 
         int newIndex = 0;
         for (const auto &roomWidget : rooms_sort_cache_) {