diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 1f3afbfd1..e59d25629 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -3118,9 +3118,9 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 
 		parent::saveNBT();
 		if($this->level instanceof Level){
-			$this->namedtag->Level = new StringTag("Level", $this->level->getName());
+			$this->namedtag->Level = new StringTag("Level", $this->level->getFolderName());
 			if($this->hasValidSpawnPosition()){
-				$this->namedtag["SpawnLevel"] = $this->spawnPosition->getLevel()->getName();
+				$this->namedtag["SpawnLevel"] = $this->spawnPosition->getLevel()->getFolderName();
 				$this->namedtag["SpawnX"] = (int) $this->spawnPosition->x;
 				$this->namedtag["SpawnY"] = (int) $this->spawnPosition->y;
 				$this->namedtag["SpawnZ"] = (int) $this->spawnPosition->z;