diff --git a/src/pocketmine/Server.php b/src/pocketmine/Server.php
index 4c10c30a4..9186fff93 100644
--- a/src/pocketmine/Server.php
+++ b/src/pocketmine/Server.php
@@ -1371,6 +1371,8 @@ class Server{
 			$this->logger->info("Advanced cache enabled");
 		}
 
+		Level::$COMPRESSION_LEVEL = $this->getProperty("chunk-sending.compression-level", 7);
+
 		if(defined("pocketmine\\DEBUG") and \pocketmine\DEBUG >= 0 and function_exists("cli_set_process_title")){
 			@cli_set_process_title("PocketMine-MP " . $this->getPocketMineVersion());
 		}
diff --git a/src/pocketmine/level/Level.php b/src/pocketmine/level/Level.php
index abeae5a1e..779604331 100644
--- a/src/pocketmine/level/Level.php
+++ b/src/pocketmine/level/Level.php
@@ -67,6 +67,7 @@ use raklib\Binary;
 class Level implements ChunkManager, Metadatable{
 
 	private static $levelIdCounter = 1;
+	public static $COMPRESSION_LEVEL = 7;
 
 
 	const BLOCK_UPDATE_NORMAL = 1;
@@ -1261,7 +1262,7 @@ class Level implements ChunkManager, Metadatable{
 			}
 		}
 
-		$ordered = zlib_encode(Binary::writeLInt($X) . Binary::writeLInt($Z) . $orderedIds . $orderedData . $orderedSkyLight . $orderedLight . $biomeIds . $biomeColors, ZLIB_ENCODING_DEFLATE, 8);
+		$ordered = zlib_encode(Binary::writeLInt($X) . Binary::writeLInt($Z) . $orderedIds . $orderedData . $orderedSkyLight . $orderedLight . $biomeIds . $biomeColors, ZLIB_ENCODING_DEFLATE, self::$COMPRESSION_LEVEL);
 
 		if(ADVANCED_CACHE == true and $Yndex === 0xff){
 			Cache::add($identifier, $ordered, 60);