diff --git a/src/main/java/com/hbm/items/tool/ItemLeadBox.java b/src/main/java/com/hbm/items/tool/ItemLeadBox.java
index 705768a26..b57314db4 100644
--- a/src/main/java/com/hbm/items/tool/ItemLeadBox.java
+++ b/src/main/java/com/hbm/items/tool/ItemLeadBox.java
@@ -58,9 +58,7 @@ public class ItemLeadBox extends Item implements IGUIProvider {
 			ItemStack[] fromNBT = ItemStackUtil.readStacksFromNBT(box, slots.length);
 
 			if(fromNBT != null) {
-				for(int i = 0; i < slots.length; i++) {
-					slots[i] = fromNBT[i];
-				}
+				System.arraycopy(fromNBT, 0, slots, 0, slots.length);
 			}
 			toMarkDirty = true;
 			this.markDirty();