diff --git a/core/assets/maps/frontier.msav b/core/assets/maps/frontier.msav
index 3d10ae7d51..fde3f6d03a 100644
Binary files a/core/assets/maps/frontier.msav and b/core/assets/maps/frontier.msav differ
diff --git a/core/src/mindustry/core/World.java b/core/src/mindustry/core/World.java
index 67f398eb72..8852976c90 100644
--- a/core/src/mindustry/core/World.java
+++ b/core/src/mindustry/core/World.java
@@ -464,12 +464,15 @@ public class World{
     }
 
     public void checkMapArea(int x, int y, int w, int h){
-        for(var build : Groups.build){
-            //if the map area contracts, disable the block
-            build.checkAllowUpdate();
-            //reset map-area-based disabled blocks that were not in the previous map area
-            if(!build.enabled && build.block.autoResetEnabled && !Rect.contains(x, y, w, h, build.tile.x, build.tile.y)){
-                build.enabled = true;
+        for(var team : state.teams.present){
+            for(var build : team.buildings){
+                //reset map-area-based disabled blocks that were not in the previous map area
+                if(!build.enabled && build.block.autoResetEnabled && !Rect.contains(x, y, w, h, build.tile.x, build.tile.y)){
+                    build.enabled = true;
+                }
+
+                //if the map area contracts, disable the block
+                build.checkAllowUpdate();
             }
         }
     }