diff --git a/src/adv/AdvBlock.lua b/src/adv/AdvBlock.lua
index 49a4671..7d59f32 100644
--- a/src/adv/AdvBlock.lua
+++ b/src/adv/AdvBlock.lua
@@ -36,6 +36,11 @@ end
 function Block:clear()
 	if self:getEventType() == AdvEventType.Trap then 
 		self.trapId = self.event.id
+	elseif self:getEventType() == AdvEventType.Build then
+		local build = self.room.map.adv.battle:getBuild(self.room.roomId, self.blockId, self.room.map.mapIdx)
+		if build then
+			build.isDead = true
+		end
 	end
 	self.event = nil
 end
--
libgit2 0.21.2