diff --git a/BauSystem_15/src/de/steamwar/bausystem/features/world/InventoryListener_15.java b/BauSystem_15/src/de/steamwar/bausystem/features/world/InventoryListener_15.java
index 06d5e8cf..7160055c 100644
--- a/BauSystem_15/src/de/steamwar/bausystem/features/world/InventoryListener_15.java
+++ b/BauSystem_15/src/de/steamwar/bausystem/features/world/InventoryListener_15.java
@@ -27,6 +27,8 @@ import org.bukkit.inventory.ItemStack;
 
 public class InventoryListener_15 {
 
+    private static final int threshold = 2048;
+
     public static boolean checkItemStack(ItemStack item) {
         net.minecraft.server.v1_15_R1.ItemStack nmsItem = CraftItemStack.asNMSCopy(item);
         NBTTagCompound tag = nmsItem.getTag();
@@ -34,13 +36,13 @@ public class InventoryListener_15 {
         NBTTagCompound blockTag = tag.getCompound("BlockEntityTag");
         assert blockTag != null;
         if (blockTag.hasKey("Items")) {
-            return drillDown(blockTag.getList("Items", 10), 0, 0) > 1024;
+            return drillDown(blockTag.getList("Items", 10), 0, 0) > threshold;
         }
         return false;
     }
 
     private static int drillDown(NBTTagList items, int layer, int start) {
-        if (layer > 2) return start + 1024;
+        if (layer > 2) return start + threshold;
         int invalid = start;
         for (NBTBase nbtBase : items) {
             if (!(nbtBase instanceof NBTTagCompound))
@@ -56,7 +58,7 @@ public class InventoryListener_15 {
                     }
                 }
             }
-            if (invalid > 1024)
+            if (invalid > threshold)
                 break;
         }
         return invalid;