diff --git a/core/assets-raw/sprites/blocks/environment/core-zone.png b/core/assets-raw/sprites/blocks/environment/core-zone.png
index 91962e1abd..ba2a9d5db5 100644
Binary files a/core/assets-raw/sprites/blocks/environment/core-zone.png and b/core/assets-raw/sprites/blocks/environment/core-zone.png differ
diff --git a/core/src/mindustry/world/blocks/storage/CoreBlock.java b/core/src/mindustry/world/blocks/storage/CoreBlock.java
index d8c567dd59..3dd64ac05a 100644
--- a/core/src/mindustry/world/blocks/storage/CoreBlock.java
+++ b/core/src/mindustry/world/blocks/storage/CoreBlock.java
@@ -127,7 +127,7 @@ public class CoreBlock extends StorageBlock{
         if(state.isEditor()) return true;
 
         //special floor upon which cores can be placed
-        tile.getLinkedTiles(tempTiles);
+        tile.getLinkedTilesAs(this, tempTiles);
         if(!tempTiles.contains(o -> !o.floor().allowCorePlacement)){
             return true;
         }