From 188e3a75cc83f5759956d8ba0a45a02e16af3c26 Mon Sep 17 00:00:00 2001
From: PrototypeTrousers <salomaoo@gmail.com>
Date: Sat, 18 Sep 2021 21:45:03 -0300
Subject: [PATCH] simplify monitor passthrough listener logic

---
 src/main/java/appeng/me/storage/MEMonitorPassThrough.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/appeng/me/storage/MEMonitorPassThrough.java b/src/main/java/appeng/me/storage/MEMonitorPassThrough.java
index 4c189eaf2..70895e01e 100644
--- a/src/main/java/appeng/me/storage/MEMonitorPassThrough.java
+++ b/src/main/java/appeng/me/storage/MEMonitorPassThrough.java
@@ -72,7 +72,7 @@ public class MEMonitorPassThrough<T extends IAEStack<T>> extends MEPassThrough<T
 		final IItemList<T> after = this.getInternal() == null ? this.getWrappedChannel().createList() : this.getInternal()
 				.getAvailableItems( new ItemListIgnoreCrafting( this.getWrappedChannel().createList() ) );
 
-		if( this.monitor != null )
+		if( this.monitor != null && this.listeners.size() > 0 )
 		{
 			this.monitor.addListener( this, this.monitor );
 		}