diff --git a/src/pocketmine/network/protocol/LevelSoundEventPacket.php b/src/pocketmine/network/protocol/LevelSoundEventPacket.php
index 08d59e868..934b5f0c3 100644
--- a/src/pocketmine/network/protocol/LevelSoundEventPacket.php
+++ b/src/pocketmine/network/protocol/LevelSoundEventPacket.php
@@ -123,15 +123,15 @@ class LevelSoundEventPacket extends DataPacket{
 	public $x;
 	public $y;
 	public $z;
-	public $volume;
-	public $pitch;
-	public $unknownBool;
-	public $unknownBool2;
+	public $extraData = -1;
+	public $pitch = 1;
+	public $unknownBool = false;
+	public $unknownBool2 = false;
 
 	public function decode(){
 		$this->sound = $this->getByte();
 		$this->getVector3f($this->x, $this->y, $this->z);
-		$this->volume = $this->getVarInt();
+		$this->extraData = $this->getVarInt();
 		$this->pitch = $this->getVarInt();
 		$this->unknownBool = $this->getBool();
 		$this->unknownBool2 = $this->getBool();
@@ -141,7 +141,7 @@ class LevelSoundEventPacket extends DataPacket{
 		$this->reset();
 		$this->putByte($this->sound);
 		$this->putVector3f($this->x, $this->y, $this->z);
-		$this->putVarInt($this->volume);
+		$this->putVarInt($this->extraData);
 		$this->putVarInt($this->pitch);
 		$this->putBool($this->unknownBool);
 		$this->putBool($this->unknownBool2);