From 823a79d6cba16bf8923170e256c7877232a4f473 Mon Sep 17 00:00:00 2001
From: repo_alt <wvk17@yandex.ru>
Date: Fri, 15 Apr 2022 18:10:53 +0300
Subject: [PATCH] Fixes filtering for optional keys
 https://github.com/GTNewHorizons/GT-New-Horizons-Modpack/issues/10148

---
 src/main/scala/li/cil/oc/integration/appeng/NetworkControl.scala | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/scala/li/cil/oc/integration/appeng/NetworkControl.scala b/src/main/scala/li/cil/oc/integration/appeng/NetworkControl.scala
index 35ea26768..dc589c9d6 100644
--- a/src/main/scala/li/cil/oc/integration/appeng/NetworkControl.scala
+++ b/src/main/scala/li/cil/oc/integration/appeng/NetworkControl.scala
@@ -150,6 +150,7 @@ trait NetworkControl[AETile >: Null <: TileEntity with IGridProxyable with IActi
     filter.forall {
       case (key: String, value: AnyRef) => 
         val stack_value = stack.get(key)
+        if (stack_value == null) return false
         value match {
           case number: Number => stack_value match {
             case stack_number: Number => number.intValue == stack_number.intValue