diff --git a/core/src/mindustry/ai/BlockIndexer.java b/core/src/mindustry/ai/BlockIndexer.java
index 6c485ae3e6..f91aa89e11 100644
--- a/core/src/mindustry/ai/BlockIndexer.java
+++ b/core/src/mindustry/ai/BlockIndexer.java
@@ -181,7 +181,7 @@ public class BlockIndexer{
     /** Returns all damaged tiles by team. */
     public Seq<Building> getDamaged(Team team){
         if(damagedTiles[team.id] == null){
-            return damagedTiles[team.id] = new Seq<>();
+            return damagedTiles[team.id] = new Seq<>(false);
         }
 
         return damagedTiles[team.id];