From aa92b77bfe8350c48cc783238845e40af0300abd Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Wed, 25 May 2016 18:21:54 +1000
Subject: [PATCH] SPIGOT-2315: Neighbour chunk unload marking

By: md_5 <git@md-5.net>
---
 .../src/main/java/org/bukkit/craftbukkit/CraftWorld.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 11f0fb2dc3..85561dc10e 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -213,7 +213,7 @@ public class CraftWorld implements World {
                     continue;
                 }
 
-                net.minecraft.server.Chunk neighbor = world.getChunkProviderServer().getLoadedChunkAt(chunk.locX + x, chunk.locZ + z);
+                net.minecraft.server.Chunk neighbor = world.getChunkProviderServer().getChunkIfLoaded(chunk.locX + x, chunk.locZ + z);
                 if (neighbor != null) {
                     neighbor.setNeighborUnloaded(-xx, -zz);
                     chunk.setNeighborUnloaded(xx, zz);