From 964810add93635da9a24f336f1ef0db2ff1c8839 Mon Sep 17 00:00:00 2001
From: Anuken <arnukren@gmail.com>
Date: Wed, 4 Feb 2026 13:22:52 -0500
Subject: [PATCH] Fixed #11587

---
 core/src/mindustry/world/blocks/payloads/BlockProducer.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/src/mindustry/world/blocks/payloads/BlockProducer.java b/core/src/mindustry/world/blocks/payloads/BlockProducer.java
index c0c3a7b154..21136e906b 100644
--- a/core/src/mindustry/world/blocks/payloads/BlockProducer.java
+++ b/core/src/mindustry/world/blocks/payloads/BlockProducer.java
@@ -41,7 +41,11 @@ public abstract class BlockProducer extends PayloadBlock{
 
             if(block != null){
                 ItemStack[] clone = stacks.get(block, () -> ItemStack.copy(block.requirements));
+                if(clone.length != block.requirements.length){
+                    stacks.put(block, clone = ItemStack.copy(block.requirements));
+                }
                 for(int i = 0; i < clone.length; i++){
+                    clone[i].item = block.requirements[i].item;
                     clone[i].amount = Mathf.ceil(block.requirements[i].amount * state.rules.buildCostMultiplier);
                 }
                 return clone;