diff --git a/server/gameserver/obstacle.cc b/server/gameserver/obstacle.cc
index e5fe6ef6..162ee1d0 100644
--- a/server/gameserver/obstacle.cc
+++ b/server/gameserver/obstacle.cc
@@ -497,7 +497,7 @@ void Obstacle::SetRotate(float rotate)
 
 void Obstacle::DoTreasureBoxInteraction(Human* sender)
 {
-    if (!IsDead(sender->room)) {
+    if (!IsDead(sender->room) && sender->GetHeroQuality() > 1) {
         ++sender->box_num;
         sender->room->frame_event.AddPropChg
             (