From e40bffa82aca85fab53861b791c5b24cb688d1c6 Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Tue, 6 Dec 2016 20:46:04 +1100
Subject: [PATCH] SPIGOT-2890: SetBiome not saving changes

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

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 ffef56a7a..80e65f592 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -597,6 +597,8 @@ public class CraftWorld implements World {
             if (chunk != null) {
                 byte[] biomevals = chunk.getBiomeIndex();
                 biomevals[((z & 0xF) << 4) | (x & 0xF)] = (byte) BiomeBase.REGISTRY_ID.a(bb);
+
+                chunk.e(); // SPIGOT-2890 // PAIL: markDirty
             }
         }
     }