From ce64554c8648f57e9d920a2415026a8460dc5a06 Mon Sep 17 00:00:00 2001
From: YoungOnion <39562198+YoungOnionMC@users.noreply.github.com>
Date: Mon, 30 Dec 2024 21:12:43 -0700
Subject: [PATCH] fix npe

---
 .../common/machine/multiblock/part/RotorHolderPartMachine.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/gregtechceu/gtceu/common/machine/multiblock/part/RotorHolderPartMachine.java b/src/main/java/com/gregtechceu/gtceu/common/machine/multiblock/part/RotorHolderPartMachine.java
index e79ce47792..5994a9a3fd 100644
--- a/src/main/java/com/gregtechceu/gtceu/common/machine/multiblock/part/RotorHolderPartMachine.java
+++ b/src/main/java/com/gregtechceu/gtceu/common/machine/multiblock/part/RotorHolderPartMachine.java
@@ -131,7 +131,7 @@ private void onRotorInventoryChanged() {
 
     @Override
     public boolean hasRotor() {
-        return rotorColor != 0;
+        return inventory.getStackInSlot(0) != ItemStack.EMPTY;
     }
 
     protected void updateRotorSubscription() {