From 822fbf83ee7f00a2f4f59dfba35c8a5bea410802 Mon Sep 17 00:00:00 2001
From: Raoul Van den Berge <raoulvdberge@gmail.com>
Date: Thu, 30 Jun 2016 16:48:23 +0200
Subject: [PATCH] Fixed patterns getting removed

---
 .../java/refinedstorage/apiimpl/storage/GroupedStorage.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/refinedstorage/apiimpl/storage/GroupedStorage.java b/src/main/java/refinedstorage/apiimpl/storage/GroupedStorage.java
index b49789cfc..cf318e332 100755
--- a/src/main/java/refinedstorage/apiimpl/storage/GroupedStorage.java
+++ b/src/main/java/refinedstorage/apiimpl/storage/GroupedStorage.java
@@ -66,7 +66,9 @@ public class GroupedStorage implements IGroupedStorage {
                 otherStack.stackSize -= stack.stackSize;
 
                 if (otherStack.stackSize == 0) {
-                    stacks.remove(otherStack.getItem(), otherStack);
+                    if (RefinedStorageUtils.getPatternFromNetwork(network, otherStack) == null) {
+                        stacks.remove(otherStack.getItem(), otherStack);
+                    }
                 }
 
                 network.sendStorageToClient();