diff --git a/src/pocketmine/level/format/anvil/Anvil.php b/src/pocketmine/level/format/anvil/Anvil.php
index 358cf2bb5..bdf9e0eda 100644
--- a/src/pocketmine/level/format/anvil/Anvil.php
+++ b/src/pocketmine/level/format/anvil/Anvil.php
@@ -183,8 +183,10 @@ class Anvil extends BaseLevelProvider{
 	public function setChunk($chunkX, $chunkZ, SimpleChunk $chunk){
 		if($chunk->isGenerated() === false){
 			$this->unloadChunk($chunkX, $chunkZ, false);
-			$this->loadRegion($chunkX >> 4, $chunkZ >> 4);
-			$region = $this->getRegion($chunkX >> 4, $chunkZ >> 4);
+			$regionX = $regionZ = null;
+			self::getRegionIndex($chunkX, $chunkZ, $regionX, $regionZ);
+			$this->loadRegion($regionX, $regionZ);
+			$region = $this->getRegion($regionX, $regionZ);
 			$region->removeChunk($chunkX - $region->getX() * 32, $chunkZ - $region->getZ() * 32);
 			$this->loadChunk($chunkX, $chunkZ);
 		}else{