From 61ed1857da2e0c07ce4ad1c33c173e7f80cea3ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20N=C3=BCcke?= <florian@nuecke.de>
Date: Tue, 15 Dec 2020 04:22:47 +0100
Subject: [PATCH] Fixed grouped device tracking.

---
 .../cil/oc2/common/bus/AbstractGroupingDeviceBusElement.java   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/li/cil/oc2/common/bus/AbstractGroupingDeviceBusElement.java b/src/main/java/li/cil/oc2/common/bus/AbstractGroupingDeviceBusElement.java
index da01d1fc..03b3ff9d 100644
--- a/src/main/java/li/cil/oc2/common/bus/AbstractGroupingDeviceBusElement.java
+++ b/src/main/java/li/cil/oc2/common/bus/AbstractGroupingDeviceBusElement.java
@@ -94,6 +94,9 @@ public abstract class AbstractGroupingDeviceBusElement extends AbstractDeviceBus
         addedDevices.removeAll(oldDevices);
         devices.addAll(addedDevices);
 
+        oldDevices.removeAll(removedDevices);
+        oldDevices.addAll(newDevices);
+
         final CompoundNBT devicesNbt = deviceData[index];
         for (final Device device : removedDevices) {
             device.getSerializationKey().ifPresent(key ->