diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index 68b2f5cc4..82033c6b3 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -466,8 +466,8 @@ namespace pocketmine {
 
 		if(extension_loaded("leveldb")){
 			$leveldb_version = phpversion("leveldb");
-			if(version_compare($leveldb_version, "0.2.0") < 0){
-				$logger->critical("php-leveldb >= 0.2.0 is required, while you have $leveldb_version");
+			if(version_compare($leveldb_version, "0.2.1") < 0){
+				$logger->critical("php-leveldb >= 0.2.1 is required, while you have $leveldb_version");
 				++$errors;
 			}
 		}
diff --git a/src/pocketmine/level/format/io/leveldb/LevelDB.php b/src/pocketmine/level/format/io/leveldb/LevelDB.php
index e691c0d59..917ccecc8 100644
--- a/src/pocketmine/level/format/io/leveldb/LevelDB.php
+++ b/src/pocketmine/level/format/io/leveldb/LevelDB.php
@@ -67,8 +67,8 @@ class LevelDB extends BaseLevelProvider{
 	const GENERATOR_INFINITE = 1;
 	const GENERATOR_FLAT = 2;
 
-	const CURRENT_STORAGE_VERSION = 5; //Current MCPE level format version
-	const CURRENT_LEVEL_CHUNK_VERSION = 4;
+	const CURRENT_STORAGE_VERSION = 6; //Current MCPE level format version
+	const CURRENT_LEVEL_CHUNK_VERSION = 7;
 	const CURRENT_LEVEL_SUBCHUNK_VERSION = 0;
 
 	/** @var Chunk[] */
@@ -100,13 +100,17 @@ class LevelDB extends BaseLevelProvider{
 			throw new LevelException("Invalid level.dat");
 		}
 
+		if(!defined('LEVELDB_ZLIB_RAW_COMPRESSION')){
+			throw new LevelException("Given version of php-leveldb doesn't support zlib raw compression");
+		}
 
 		$this->db = new \LevelDB($this->path . "/db", [
-			"compression" => LEVELDB_ZLIB_COMPRESSION
+			"compression" => LEVELDB_ZLIB_RAW_COMPRESSION
 		]);
 
-		if($this->levelData->getInt("StorageVersion", INT32_MAX, true) > self::CURRENT_STORAGE_VERSION){
-			throw new LevelException("Specified LevelDB world format version is not supported by " . \pocketmine\NAME);
+		$version = $this->levelData->getInt("StorageVersion", INT32_MAX, true);
+		if($version > self::CURRENT_STORAGE_VERSION){
+			throw new LevelException("Specified LevelDB world format version ($version) is not supported by " . \pocketmine\NAME);
 		}
 
 		if(!$this->levelData->hasTag("generatorName", StringTag::class)){
@@ -217,7 +221,7 @@ class LevelDB extends BaseLevelProvider{
 
 
 		$db = new \LevelDB($path . "/db", [
-			"compression" => LEVELDB_ZLIB_COMPRESSION
+			"compression" => LEVELDB_ZLIB_RAW_COMPRESSION
 		]);
 
 		if($generatorType === self::GENERATOR_FLAT and isset($options["preset"])){
@@ -329,6 +333,7 @@ class LevelDB extends BaseLevelProvider{
 			$binaryStream = new BinaryStream();
 
 			switch($chunkVersion){
+				case 7: //MCPE 1.2 (???)
 				case 4: //MCPE 1.1
 					//TODO: check beds
 				case 3: //MCPE 1.0